Benjamin Frank was a son of Neeltje van Rood and Jacob Frank. He married by proxy on 11 Februari 1925 in Den Haag to his cousin Sophia Groen, a daughter of Mietje van Rood and Hartog Groen. Present at this special wedding were his father, broker, 55 years of age and residing at Hilversum as deputy by authentic deed for his son Benjamin – witnesses at this marriage were Jacob Philip Peper, chemist and Abraham Groen, 2nd infantry lieutenant
In 1927 their daughter Myriam Netta Rosa was born in Hilversum, and then they moved to Bandoeng in the Dutch East Indies. There in 1935, there son Jaap Denis was born. Benjamin Frank was a Dutch clerk in public service and had a leading position with the railways there. During the war, the Frank family was interned and presumably by or at accusation of railway sabotage, Benjamin Frank was killed by the Japanese Kempetai. His death was registered on 9 December 1944 in Batavia.
Sophia Groen returned to Holland in 1946 and passed away in Amsterdam on 11 April 1984.
City Archive of Amsterdam, archive card of Sophia Groen, Neeltje van Rood and an addition of a visitor of the website.