Emanuel Polak was a son of Levi Polak and Marianna Loonstein. He married 29 December 1909 in Zaandam to Clara Lek, a daughter of Wolf Lek and Rachel Pruim. The couple had four children, of whom daughter Rachel did not survive the Holocaust. His wife Clara Lek and three of their children have survived the war.
His siblings, who did not survive the Holocaust too, were Mietje, Flora, Isidore, George,…