Greta Schuitevoerder was a daughter of Benedictus Schuitevoerder and Marianne Halberstad. She married in Amsterdam on 2 March 1934 to David van Spier, son of Levie Isak van Spier and Marianna Bachrach. Together Greta and David had four children. Greta had four other siblings: Mina, Jetje, Aaltje en Louise.
City Archive of Amsterdam, archive cards of Marianne Halberstad and David van Spier.