Dina Groenteman was a daughter of Machiel Groenteman and Fijtje Speijer. She married Lion Fredrikstadt in 1911 in Amsterdam. He passed away in 1934. They had three children. A son Machiel passed away in 1937. Dina Groenteman remarried on 25 March 1942 in Amsterdam to Isaac van Kreveld.
Stadsarchief Amsterdam, archiefkaart Dina Groenteman