Category: Twins
- Landing level category for profiles of persons of twin birth.
There are three types of twins:
- Identical (Monozygotic) means that the zygote (fertilized egg) formed two separate embryos. Conjoined twins are identical twins with an incomplete separation of cells.
- Semi-Identical (Sesquizygotic) is where two sperm fertilize one egg. The fertilized egg then splits in two. So, semi-identical twins share all the same chromosomes from their birthing parent (mother), but only 50 percent from their non-birthing parent (father). Semi-identical twins have only recently been discovered and there are so far only two known cases.
- Fraternal (Dizygotic) means that more than one egg was fertilized. This is typical when fertility drugs were used; but it often occurs naturally as well. Because these twins share a completely different set of chromosomes from both their mother and father, they are genetically just like singleton siblings that just happen to be born at the same time. Twins of different genders are almost always fraternal twins (there are a few sets of different gender identical twins - this is caused by a genetic mutation and is extremely rare).
Fun Fact: Only 1/3 of all twins in the world are identical twins. Fraternal twins make up 2/3 of all twin births.
Subcategories (1)
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Leendert Arie 't Hart
30 Apr 1912 Pernis, Zuid-Holland, Nederland - 15 May 1940
Teunis Arie 't Hart
30 Apr 1912 Pernis, Zuid-Holland, Nederland - 28 May 1912
Willem Adolph ('t Hooft) Visser 't Hooft
20 Sep 1900 Haarlem, Noord-Holland, Nederland - 04 Jul 1985
Unnamed Infant 't Hooft
20 Sep 1900 Haarlem, Noord-Holland, Nederland - 20 Sep 1900
A
Anne Maria Aadnesdatter
12 May 1791 Bamble, Bamble, Telemark, Norge
Ole Aadnesen
12 May 1791 Bamble, Bamble, Telemark, Norge - 06 Aug 1793
Max Aardewerk
02 Apr 1921 Amsterdam, North Holland, Netherlands - 30 Sep 1942
Alex Aardewerk
02 Apr 1921 Amsterdam, North Holland, Nederland - 24 Aug 1942
Antje (Aarnts) Huisman
29 Apr 1765 Oppenhuizen, Friesland, Nederland - 31 Mar 1832
Utske (Aarnts) Huisman
29 Apr 1765 Oppenhuizen, Friesland, Nederland - 30 Aug 1826
Maria Aasoldsdatter
1725 Rennesund, Solum, Telemark, Norge - 1790
Anne Aasoldsdatter
1731 Rennesund, Solum, Telemark, Norge - 1762
Halvor Aasoldsen
1729 Rennesund, Solum, Telemark, Norge - 1744
Abraham Aasoldsen
1729 Rennesund, Solum, Telemark, Norge - 1794
Johannes Aasoldsen
1731 Rennesund, Solum, Telemark, Norge - 1732
Isach Aasoldsen
1722 Rennesund, Solum, Telemark, Norge - 1795
Abraham Aasoldsen
1722 Rennesund, Solum, Telemark, Norge - 1723
Julie Abare
12 Aug 1860 Sciota, Chazy, Clinton, New York, United States
Saverio Abate
17 Dec 1879 Santa Margherita di Belice, Agrigento, Sicily, Italy
Anna Abbate
16 Jun 1831 Belmonte Castello, Frosinone, Lazio, Italy
Innocenza Abbate
17 Dec 1879 Santa Margherita di Belice, Agrigento, Sicily, Italy - 17 Dec 1879
Thomas Abberton
30 Mar 1865 Mummel, New South Wales, Australia - 05 May 1914
Catherine (Abberton) Gillett
03 Nov 1855 Mummel, New South Wales, Australia - 15 Aug 1932
Mary (Abberton) McLaughlin
abt 1859 - abt 1938
Frances Abberton
30 Mar 1865 - abt 1941
Matthew Abberton
abt 1871 - abt 1939
John Abberton
abt 1871 - abt 1920
Michael Abberton
03 Nov 1855 Mummel, New South Wales, Australia - 30 Nov 1926
Catherine Abbot
31 Mar 1711 Andover, Essex County, Massachusetts - abt 14 Sep 1744
Unnamed Abbot
21 Jul 1741 Andover, Essex, Massachusetts Bay - 01 Aug 1741
Effie (Abbott) Ostrand
20 Jul 1882 Warren, Illinois, United States - 02 Jan 1952
Eva (Abbott) Griffith
20 Jul 1882 Warren, Jo Daviess, Illinois, United States - 02 Dec 1917
William (Abbott) Abbot
21 Jul 1741 Andover, Essex, Massachusetts - aft 29 Sep 1768
Martha (Abbott) Crouse
01 May 1915 Bryant, Jay, Indiana, United States - 02 Feb 1989
Mary (Abbott) Teeters
01 May 1915 Bryant, Jay, Indiana, United States - 07 Oct 1999
Christian Abel
13 Jul 1871 Horrheim, Ludwigsburg, Baden-Württemberg, Germany
Karl Abel
13 Jul 1871 Horrheim, Ludwigsburg, Baden-Württemberg, Germany
Louis Abele
22 May 1899 Zanesville, Muskingum, Ohio, United States - 11 Jul 1996
Edward Abele
22 May 1899 Zanesville, Muskingum, Ohio, United States - 15 Mar 1987
Cecil Abernathy
13 Jun 1879 McKinney, Collin, Texas, USA - 03 Mar 1973
Clare (Abernathy) Finley
13 Jun 1879 McKinney, Collin, Texas, USA - abt 1953
Mary Abernathy
13 Aug 1859 Grimes, Texas - 22 Apr 1860
Martha (Abernathy) Shine
13 Aug 1859 Grimes, Texas - 16 Oct 1929
Maudie (Abling) Fanning
17 Aug 1935 Xenia, Greene, Ohio, United States - 12 May 2020
Louisa Ablitt
1900 Islington, London, England, United Kingdom - 1900
Harry Ablitt
1900 Islington, London, England, United Kingdom - 1910
Infant Abner
17 Jul 1891 Augusta, Richmond, Georgia, United States - 17 Jul 1891
Infant Abner
17 Jul 1891 Augusta, Richmond, Georgia, United States - 17 Jul 1891
Ida Abrahamsdotter
03 Jun 1867 Backaryd, Blekinge, Sweden
Botilda Abrahamsdotter
03 Jun 1867 Klåvben 38, Backaryd, Blekinge, Sweden - 05 Aug 1867
Oluf Abrahamsen
14 Dec 1842 Vestre Porsgrunn, Telemark, Norge
Carl Abrahamsen
14 Dec 1842 Vestre Porsgrunn, Telemark, Norge - 21 Dec 1842
Anne Abrahamsen
02 Aug 1889 Grønli under Bjørntvet, Eidanger, Telemark, Norge
Augusta Abrahamsen
02 Aug 1889 Grønli under Bjørntvet, Eidanger, Telemark, Norge - 20 Aug 1889
Rosebud (Abrahamson) Bergquist
23 Aug 1901 Wadena, Minnesota, United States - 16 Mar 2000
Carl Abramson
14 Nov 1894 - 04 Sep 1966
Earl Abramson
14 Nov 1894 - 24 Jun 1975
Alfonsa Abruzzo
11 Sep 1836 Santa Margherita di Belice, Agrigento, Sicily, Italy - 13 Sep 1836
Filomena Abruzzo
11 Sep 1836 Santa Margherita di Belice, Agrigento, Sicily, Italy - 13 Sep 1836
Audenzia (Abruzzo) Montelione
10 Nov 1883 Santa Margherita di Belice, Agrigento, Sicily, Italy
Antonina Abruzzo
10 Nov 1883 Santa Margherita di Belice, Agrigento, Sicily, Italy
Ignazio Abruzzo
07 Dec 1858 Santa Margherita di Belice, Agrigento, Sicily, Italy
Concetta Abruzzo
07 Dec 1858 Santa Margherita di Belice, Agrigento, Sicily, Italy
Angela Abruzzo
24 Dec 1862 Santa Margherita di Belice, Agrigento, Sicily, Italy
Caterina Abruzzo
24 Dec 1862 Santa Margherita di Belice, Agrigento, Sicily, Italy - 01 Jun 1864
Isla (Absalom) Vale
1899 Mortlake, Victoria, Australia - 15 May 1992
Jean (Absalom) Waddell
1899 Mortlake, Victoria, Australia - 06 Nov 1991
Rose Absolon
04 Jan 1886 Cloncurry, Colony of Queensland - 08 Dec 1888
A cont.
Lily (Absolon) Drury
04 Jan 1886 Cloncurry, Queensland, Australia - 11 Feb 1948
George Abson
18 Aug 1935 Doncaster, Yorkshire, England, United Kingdom - 09 Sep 1935
Anna (Acheson) Morrow
17 Aug 1800 Pennsylvania, United States - Jun 1868
David Acheson
17 Aug 1800 Washington County, Pennsylvania, United States - 22 Feb 1850
Francois Marie Achin
04 Jan 1763 La Prairie, Canada, Nouvelle-France
Marjorie (Ackerley) Quinney
20 Jan 1917 New Zealand - 08 Jan 1993
Eleanor (Ackerley) Goodson
20 Jan 1917 New Zealand - 07 Oct 1995
Catalina Brigida Juana Acosta
03 Aug 1803 St. Augustine, St. Johns, East Florida, New Spain
Estefania Brigida Juana Acosta
03 Aug 1803 St. Augustine, St. Johns, East Florida, New Spain - 01 Apr 1842
John Acworth
1641 Chatham, Kent, England - 07 Aug 1690
Thomas Acworth
1641 Woolwich, Kent, England - 12 Oct 1719
Sarah Acworth
21 Apr 1742 Bermondsey, Surrey, England - 1742
Rebecca Acworth
21 Apr 1742 Bermondsey, Surrey, England - 25 Apr 1742
Sarah Acworth
19 Mar 1749 Bermondsey, Surrey, England - 06 Apr 1749
Mary Acworth
Mar 1749 Bermondsey, Surrey, England - 06 Apr 1749
Leonard Acworth
1920s
Ernest Acworth
1920s
William Adair
06 Jan 1837 Chester, Randolph, Illinois, United States - 19 Jan 1925
Robert Adair
25 Jun 1917 Kennaughty, Glenties, County Donegal, Ireland - 06 Dec 1999
Andrew Adair
25 Jun 1917 Kennaughty, Glenties, County Donegal, Ireland - 26 Sep 2003
Mary Adair
06 Jan 1837 Perry, Illinois, United States - aft 1900
Marie-Clothilde Adam
abt 27 Apr 1781 Louiseville, Province of Québec - 05 Mar 1823
Marie-Louise Adam
abt 27 Apr 1781 Saint-Antoine-de-la-Rivière-du-Loup, Province de Québec
Henry Adam
15 Nov 1868 High Church, Glasgow, Lanark, Scotland - 15 Nov 1868
Mathew Adam
15 Nov 1868 High Church, Glasgow, Lanark, Scotland - 15 Nov 1868
Anna Adam
21 Apr 1866 Montmartin-sur-Mer, Manche, Normandie, France - 28 Nov 1920
Henry Adam
08 Nov 1916 Saint-Lô, Manche, Normandie, France - 23 May 2005
Alexander Adam
1902 Greenock West, Scotland - 1986
Hector Adam
1902 Greenock West, Scotland - 1969
John Adams
17 Jul 1875 Quincy, Norfolk, Massachusetts, United States - 30 Aug 1964
Henry Adams
17 Jul 1875 Quincy, Norfolk, Massachusetts, United States - 26 Apr 1951
Amanda (Adams) Brigham
25 Sep 1811 Henniker, Merrimack, New Hampshire, United States - 16 Aug 1848
Augusta (Adams) Smith
25 Sep 1811 Henniker, Merrimack, New Hampshire, United States - 08 Dec 1896
Aaron Adams
21 May 1819 Henniker, Merrimack, New Hampshire, United States - 21 May 1819
Moses Adams
21 May 1819 Henniker, Merrimack, New Hampshire, United States - 22 May 1819
Unnamed Adams
13 Jan 1873 - 13 Jan 1873
Albert Adams
04 Nov 1837 Robinson, Coffee, Tennessee, United States - 18 May 1921
Mary (Adams) Dale
04 Nov 1837 Tennessee, United States - 18 Sep 1873
Arthur Adams
03 May 1928 Fremont, Sandusky, Ohio, United States - 10 Nov 2011
Arnold Adams
04 May 1928 Fremont, Sandusky, Ohio, United States - 31 Mar 2015
Ellen (Adams) Griffin
28 Jan 1889 Walton, Georgia, United States - 24 Nov 1960
Peter Adams
22 Mar 1880 Kehrig, Mayen, Rhineland, Prussia - 03 Jul 1964
Nicholas Adams
05 Oct 1885 Johnsburg, McHenry County, Illinois - 03 Jan 1900
Theodore Adams
05 Oct 1885 Johnsburg, McHenry County, Illinois - 03 Jan 1900
Margaret (Adams) Hafner
22 Mar 1880 Kehrig, Mayen, Rhineland, German Empire - 21 Jul 1961
Vivian Adams
09 Jun 1898 Marshfield, Wood, Wisconsin, USA - 04 Jan 1973
Verona (Adams) Rowlands
09 Jun 1898 Marshfield, Wood, Wisconsin, USA - 12 Mar 1980
Lillie (Adams) Davis
1910s - 2000s
Robert Adams
1845 Warrington, Lancashire, England, United Kingdom
Richard Adams
1845 Warrington, Lancashire, England, United Kingdom
Living Adams
Living Adams
Anna Adams
28 May 1898 Green Township, Clark, Ohio, United States
Bobby Adams
04 May 1935 Jeremiah, Letcher, Kentucky, United States - 06 May 1935
Charles Adams
04 May 1935 Jeremiah, Letcher, Kentucky, United States - 05 May 1935
Phillip Adams
03 Dec 1933 Whitesburg, Letcher, Kentucky, United States - 14 Dec 2017
Stephen Adams
15 Aug 1867 Kentucky, United States - 01 Aug 1929
William Adams
15 Aug 1867 Letcher, Kentucky, United States - 05 Dec 1946
Living Adams
Fred Adams
08 Feb 1924 Wayne, Tennessee, United States - 15 Feb 1937
Ruby (Adams) Katich
08 Feb 1924 Wayne, Tennessee, United States - 23 Mar 1997
Abigail (Adams) Bixby
22 Aug 1769 Acton, Middlesex, Massachusetts - May 1848
Prudence Adams
abt 24 Jul 1757 Acton, Middlesex, Massachusetts Bay - 05 Jan 1847
Herman Adams
19 Apr 1926 Coffee County, Georgia, USA - 17 Aug 2012
Homer Adams
19 Apr 1926 Nicholls, Coffee, Georgia, USA - 09 Feb 2005
Arthur Adams
25 Apr 1948 Letcher, Kentucky, United States - 25 Apr 1948
Ray Adams
25 Apr 1948 Whitesburg, Letcher, Kentucky, United States - 24 Mar 2003
A cont.
Beulah (Adams) McDaniel
27 Aug 1908 Des Moines, Polk, Iowa, United States - 26 Oct 1972
Blanche (Adams) Wright
27 Aug 1908 Des Moines, Polk, Iowa, United States - 14 Dec 2004
Pearl (Adams) Hearn
28 Jan 1889 Walton, Georgia, United States - 09 Feb 1972
Ammi Adams
22 Aug 1769 Acton, Middlesex, Massachusetts - 17 May 1846
Leta Adamson
1913 Fullerton, Nebraska, USA - 31 May 1913
Marjorie Adamson
1897 East Melbourne, Victoria (Australia) - 1897
Dorothy Adamson
1897 East Melbourne, Victoria (Australia) - 1897
Violet Adamson
11 Apr 1910 Atchison, Missouri, United States - 18 Jan 1920
Voilie Adamson
11 Apr 1910 Fairfax, Atchison, Missouri, United States - 30 Aug 1910
Unnamed Infant Adcock
06 Aug 1918 - 06 Aug 1918
Calvin Adcox
05 Jan 1936 Linden, Carver's Creek Township, Cumberland County, North Carolina, United States - 05 Jan 1936
Carrell Adcox
05 Jan 1936 Linden, Carver's Creek Township, Cumberland County, North Carolina, United States - 05 Jan 1936
Janette (Adcox) Bonner
19 Aug 1942 Fayetteville, Cross Creek Township, Cumberland County, North Carolina, United States - 26 Jul 2009
Joseph Adcox
07 Apr 1907 - 04 Nov 1907
Alice Adcox
07 Apr 1907 - 04 Aug 1907
John Adderton
14 Jun 1734 Hingham, Suffolk, Massachusetts Bay - 01 Aug 1734
Rachel Adderton
14 Jun 1734 Hingham, Suffolk, Massachusetts Bay
John Addis
1860 Ararat, Victoria, Australia - 1860
Ruth Addis
1860 Ararat, Victoria, Australia - 1860
Sytske Adema
29 Sep 1874 Achlum, Friesland, Nederland - 12 Aug 1875
Auke Adema
29 Sep 1874 Achlum, Friesland, Nederland - 07 Apr 1951
Gertrud Hubertina Cäcilia Adenaw
29 Oct 1888 Vorweiden, Weiden, Aachen, Rheinprovinz, Preußen, Deutschland - 07 Feb 1889
Clara Maria Elisabeth Adenaw
18 May 1890 Vorweiden, Weiden, Aachen, Rheinprovinz, Preußen, Deutschland
Daniel Adkins
1757 Connecticut - 1822
Elmer Adkins
1920s - 2010s
Evelyn (Adkins) Handley
1920s - 1990s
Unnamed Infant Adkins
24 Oct 1921 Kewanee, Henry County, Illinois, USA - 25 Oct 1921
Unnamed Infant Adkins
24 Oct 1921 Kewanee, Henry County, Illinois, USA - 27 Oct 1921
Ernst Josef Theobald Adler
03 Sep 1910 Wien, Østerrike - 1943
Felix Otto Adler
03 Sep 1910 Wien, Østerrike - abt 10 Aug 2004
Oskar Adriansson
12 Mar 1895 Södra Sandsjö, Kronoberg, Sverige
Jenny (Adriansson) Rundberg
12 Mar 1895 Södra Sandsjö, Kronoberg, Sverige
Theodorus Aerts
abt 08 Feb 1720 Leende, Staats-Brabant, Nederland
Elisabetha Aerts
abt 08 Feb 1720 Leende, Staats-Brabant, Nederland
Margaret Afleck
06 May 1764 Colmonell, Ayrshire, Scotland - 02 Mar 1848
Mary Afleck
06 May 1764 Colmonell, Ayrshire, Scotland - 08 Feb 1833
John Agars
1701 Bempton, Yorkshire, England - 1701
Margaret Agars
1701 Bempton, Yorkshire, England - 1702
Alberta Agate
26 Sep 1899 Paceco, Trapani, Sicily, Italy - 07 Mar 1900
Giuseppe Agate
26 Sep 1899 Paceco, Trapani, Sicily, Italy - 14 Jun 1904
Living Ager
Living Ager
Lindsay Ager
1903 Maldon, Victoria, Australia - 1903
Arthur Ager
1903 Maldon, Victoria, Australia - 1903
Living Ahlbrecht
Karl Edvard Ahlstrand
27 May 1901 Rackeby, Skaraborg, Sverige
Karin Elisabet Ahlstrand
27 May 1901 Rackeby, Skaraborg, Sweden
Cathrina Ahlström
1769 Trelleborg, Malmöhus, Sverige - 1840
Secilia Ahlström
1772 Trelleborg, Malmöhus, Sverige - 1843
Jacob Ahlström
1775 Trelleborg, Malmöhus, Sverige - 1835
Mårten Ahlström
03 Nov 1778 Trelleborg, Malmöhus, Sverige - 18 Sep 1831
Annie Aikens
09 Mar 1933 Chambers County, Alabama, United States - 10 Aug 1933
Billy Aikens
09 Mar 1933 Langdale, Chambers, Alabama, United States - 25 Mar 2017
George Aird
02 Jun 1929 Toxteth Park, Lancashire, England, United Kingdom - 23 Sep 1998
Stanley Aird
02 Jun 1929 Toxteth Park, Lancashire, England, United Kingdom - 12 Mar 2014
Gregory Aires
bef 01 Aug 1880 Hillmorton, Warwickshire, England, United Kingdom - bef 10 Apr 1881
Robert Airth
13 Apr 1821 Lanarkshire, Scotland, United Kingdom - 25 Jun 1891
David Airth
13 Apr 1821 Rutherglen, Lanarkshire, Scotland, United Kingdom - 24 Apr 1904
Dulcie (Aitken) Bond
1897 New Zealand - 1971
George Thomas Akerman
17 Nov 1831 St Sepulchre Newgate, London, England, United Kingdom
Anne Akerman
17 Nov 1833 St Sepulchre Newgate, London, England, United Kingdom
Aleene (Akers) Clemmons
1920s - 2010s
Pauline Akers
16 Jul 1922 Dresden, Weakley, Tennessee, United States - 27 Jul 1922
Roy Akers
26 Jan 1919 Floyd, Virginia, United States - 29 Aug 1946
Fay (Akers) Reed
26 Jan 1919 Floyd County, Virginia, - 05 Aug 2009
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