https://collecties.kampwesterbork.nl/persoon/https%3A%2F%2Fkampwesterbork.nl%2Fdata%2Fperson%2F10569877
Margaretha de Jong (1908 - 1989) - Genealogy (geni.com)
https://archief.amsterdam/indexen/deeds/98533416-8468-56a3-e053-b784100ade19?person=98533416-8469-56a3-e053-b784100ade19
Fate parents:
https://www.joodsmonument.nl/en/page/186678/salomon-de-jong
Husband: Max Ziekenoppasser
See: