(data via e-mail), Peter Korsman
- Birth of Cornelia Korsman (15 April 1827)
- Death of Cornelia Korsman (15 September 1866)
- Information about Maria Korstman
- Information about Jan Janz Korstman
- Information about Teuntje Jans de Keijser
- Information about Johannes Korstman
- Information about Maria de Jong
- Information about Hendrina Oversteeg
- Information about Jurgen Cosman
- Information about Johanna Glasses