Maurits Baks was a son of Abraham Jozef Baks and Saarte Frank. He married Kaatje van Leeuwen in Naaldwijk on 26 August 1907, a daughter of Alexander van Leeuwen and Sara van Os. The couple had two children, namely Sara and Leentje. Both daughters have been killed in the Holocaust. Since 1922 Maurits' spouse Kaatje was an "inspector of the eccleciastical bath"(mikwah) as listed on her registration…