Johann Albert was born on the 15th of January 1849[1] and christened 18th of February 1849 in Dorotheen,Berlin, Stadt, Brandenburg, Prussia. His parents are Johann Ludwig Langholf and Justine Wilhelmine Wolter.
Sources
↑ See Family Search record - "Deutschland Geburten und Taufen, 1558-1898", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N6L6-SP6 : 26 October 2021), Johann Albert Langholf, 1849.
"Deutschland, Geburten und Taufen 1558-1898," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N6L6-SP6 : accessed 24 Oct 2014), Johann Albert Langholf, 18 Feb 1849; citing ; FHL microfilm 70235, 70236, 70237, 70238.