Abraham Querido, born 13 May 1889 in Amsterdam, was a son of Abraham Querido and Ribca Morpurgo. He was married 21 October 1914 in Amsterdam to Marianne Roeg, who was born 19 February 1894 in Amsterdam as daughter of Samuel Roeg and Elisabeth van Bever. The couple had four children, namely Ribca in 1914, Samuel in 1915, Carolina Lavina in 1918 and Elisabeth in 1919. Ribca and Samuel were killed du…