Rosa Ourhaan was a daughter of Abraham Ourhaan and Eva Nijkerk. She married in Amsterdam on 12 February 1925 to Mozes van der Sluis, son of Jacob van der Sluis and Helena Nordheim.
Rosa and Mozes however divorced on 15 January 1936 and on 20 April 1938 she remarried in Amsterdam Louis Smit, son of Benjamin Smit and Roosje Corper.
City Archive of Amsterdam, archive cards of Rosa Ourhaan and Louis Smit.
Biography