Israël Frank was the widower of Froukje Bollegraaf. He lived at 31 Nieuwstad in Groningen. When he was fetched from his home, several items of jewelry were stolen from him. He had two children, of whom one, Levie Frank, did not survive the war.
The archive of the Stichting Sieraden-Comité contains a list of stolen items of jewelry, a statement taken under oath and a statement of the right to inheritance.
NIOD, Records Stichting Sieraden-Comité, box HF 11, file 161
This person lived alone or no information about family members is known or traceable.