Klaartje Wertheim was a daughter of 534917 and Grietje van Cleef. She married 16 January 1918 in Zaandam to Hartog Scheffer, son of Gerrit Scheffer and Schoontje de Haas.
Klaartje's siblings were Heintje (who passed away in July 1930), 508228, 530252, Goedje (married to 478770 but passed away already in June 1938), 528606, 518940, 504679, Marcus who died only one year old in 1899 and Maurits, who…