Jan Andries Jansz was together with his brother Cornelis Andries Jansz and his sister Catharina Meesdr (with guardian Willem Corneliszn den Engel, her uncle) before the notary in Nieuwkoop en Noorden, due to divide the estate after his mother Heijltje Pieterdr has died. Jan Andries Janszn became a piece of land, named "De Ossecamp".
Adriaan inherited in 1615 the house at "De Ossekamp" from his uncle Jacob. He was the guardian for the children of his sister Floor with Willem Schick.
~Withness with christening: Adriaantje Jeroenen, Adriaan Dircksen (oom) en de huisvrouw van Dircksen Oskamp