Martha Cohen became a housekeeper for Mozes Benninga following the death of his wife in 1939.
H. Hamburger and J.C. Regtien, Sporen van een joods verleden in Noordwest Groningen (Bedum 1995) 13, 38
This person is commemorated on a memorial in Eenrum. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.