Maurits Joseph van Straten was a son of Joseph and Jetje van Straten. He married Schoontje Granade in 1915 in Zaandam.She died in 1925. They had the here mentioned children Joseph Maurits and Helena. Maurits Joseph remarried in 1926 in Amsterdam to Thérèse Granade. The here mentioned Jetty was their daughter.
Stadsarchief Amsterdam, archiefkaart Joseph van Straten
Biography