Joseph van Sister and his wife Flora van Moppes had nine children. For a time also grandparents lived with the Van Sister family in the house. Joseph van Sister was blind so that the family was not very well off.
Four small children of the couple were transferred to the Berg-stichting in Laren. They…
Volgens overlevende Bloeme van Sister, wonend in Israel onder de naam Michal Ashkenazi - van Sister, zijn haar vermoorde broers en zusters de volgende:
1) Leendert van Sister , geboren te Amsterdam18/3/1922 , vermoord27/8/1942 , Sobibor
2) Schoontje van Sister , geboren te Amsterdam , 27/7/1924 , ve…