|parents||Anthonius Post & Johanna Catharina Klaver|
|born||1 December 1895, Amsterdam, North Holland, NL|
|died||24 August 1896, Amsterdam, North Holland, NL|
Jan was the 8th and last child born to Anthonius and Johanna and was born at his parents' house at Sint Nicolaasstraat 51.
Unfortunately he lived for only 8½ months and died at the same house.