Willem Agsteribbe was a son of Emanuel Agsteribbe and Hanna Halverstad and was born on 3 January 1889 in Amsterdam. On 1 November 1911 he married Bertina van West in Amsterdam, who was born there on 15 July 1888 as a daughter of Benjamin van Wesat and Rachel Vrachtdoender. The couple had five children, viz. Rachel in September 1912, Anna in April 1914, Greta in March 1916, Emanuel in March 1918 an…