David Israëls, born in Visvliet, municipality of Grijpskerk (province of Groningen), butcher by trade, was a son of Levie Israëls and Grietje Gans. At the age of 32 he married 17 March 1915 in Weesp to the 24-year old Bela Rubens from Amsterdam, a daughter of Salomon Rubens and Sarah Hirsch. The couple had two children: Levie Salomon in 1916 and Salomon (Sal) in 1920. Levie Salomon, who got marrie…