 Jacoba Petronella Maria "Ko" VerhoeffBorn 16 May 1901 Rijswijk, died 17 Oct 1948 Schaesberg, age 47 years Married to:  Johannes Josephus Theodorus "Jan" Beersma, son of Pieter Beersma and Johanna Wilhelmina Lorang.Born 30 Apr 1896 Huizum, died 26 Nov 1965 Heerlen, age 69 years, 1st marriage to: Jacoba Petronella Maria "Ko" Verhoeff, 2nd marriage to: El Diesfeldt | |||