Frederik Mozes Aaron van Pels was a son of Jozef van Pels and Hemmechien Schuthof. He married 13 March 1929 in Den Haag to Catharina Salomon, a daughter of Jacobus Salomon and Saartje van Hachgenberg. The couple had three children, of whom two baby-daughters have died in 1933 at Voorburg. Their only…