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…