James Prudden's daughter Elizabeth was born in England, and baptized on 17 Dec 1615, King Walden, Hertfordshire, England,  She came to America with her father James Prudden and her sister Ann Prudden in 1637. James Prudden was admitted as freeman, 20 Nov 1639 - On a list of free landholders this date.
Elizabeth was admitted to the First Church of Milford 8 September, 1644.
Marriage to William Slough & children
William Slough came to Milford in 1640.  He joined the church in 1646. Elizabeth Prudden married by 1647, William Slough of Milford who was excommunicated from the church and executed at New Haven for "horrible depravity".
Children with William Slough:
James Slough, born 28 Jan 1649, died 10 Feb 1649
Elizabeth married second, at Milford, December 18, 1653, Roger Pritchard, "lately of Springfield".  Roger came to Milford in 1653, and was admitted to the church there on 28 May, 1653. Elizabeth died 27 April 1668, Milford, New Haven County, Connecticut Colony 
Children with Roger Pritchard:
Joseph Pritchard, b. 2 Oct. 1654 at Milford, Connecticut, d. 1676 at N. Brookfield, Mass. at the Battle of North Brookfield with Wimmeset Indians
History and Genealogy of the Families of Old Fairfield, database, Ancestry.com entry for Elizabeth daughter of James Prudden buried 27 May 1618, extracted from Donald Lines Jacobus, book of the same name,(Genealogical Publishing Co., 1930, revised edition Clearfield Co., March 1991), Vol 1, page 495. Accessed 6 Jan. 2014 at Ancestry.com
Jacobus, Donald Lines, The Roger Pritchart (Prichard) Family, The American Genealogist. New Haven, CT: D. L. Jacobus, 1937-. (Online database. AmericanAncestors.org. New England Historic Genealogical Society, 2009 - .) TAG Vol 44 (1968), pp 192-193
History of Milford, Connecticut, 1639-1939, database, InternetArchive, entry for James Prudden, extracted from Works Progress Administration, book of the same name, (Bridgeport, Connecticut, Press of Braunworth, 1939) page 2-11.
Families of Early Milford, Connecticut, database, Ancestry.com entry for James Prudden, Freeplanter Lot #8, extracted from Susan Emma Woodruff Abbott, Compiler, Families of Early Milford, Connecticut, (Genealogical Pub. Co., reprint, 1979) page 611 manuscript, 616 digital. Accessed Oct. 2016 at Ancestry.com
Jacobus, Donald Lines, Families of Ancient New Haven, Volumes 1-9, (Rome, New York, Clarence D. Smith, 1923), originally published as New Haven Genealogical Magazine - reprinted by Genealogical Printing Company, Inc. Baltimore in 1974, 1981, 1997. Vol. VI, Pg. 1491 Accessed Oct. 2016 at Ancestry.com
Donald Lines Jacobus, Volumes 1-9, printed by Clarence D. Smith, Rome, New York, 1923; New Haven Genealogical Magazine - reprinted by Genealogical Printing Company, Inc. Baltimore in 1974, 1981, 1997.
Jacob L. Pritchard, MD. Descendents of Roger Prichard c 1600-1671 and Elizabeth (Prudden) Prichard c1610-1674. (San Jose, Calif.: 1960) Digital Copy: Ancestry.com. Pg. 1 Accessed Oct. 2016 at Ancestry.com
Jacobus, Donald Lines, The Roger Pritchard (Prichard) Family, The American Genealogist. New Haven, CT: D. L. Jacobus, 1937-. (Online database. AmericanAncestors.org. New England Historic Genealogical Society, 2009 - .) TAG 44:193