Sander Lootsteen was a son of Mozes Lootsteen and Katje Jas. He married on 10 June 1903 in Amsterdam to Schoontje Wennik, daughter of Gerrit Wennik and Catharina Brander. The couple had five children: Gerrit, Mozes, Louis, Clara and a baby who died only one week old.
Sander was born in a family with in total nine children: he self, Esther, Mietje, Abraham, Betje and Aaltje.
They all have been ki…