 Derkje KortmanBorn 22 Apr 1901 Gramsbergen (De Krim), died 31 Dec 1972 Gramsbergen, age 71 years Married 24 Aug 1923 Gramsbergen, age 22 years (married 26 years) to:  Frederik "Frits" Boonstra, age by marriage 22 yearsBorn 21 Dec 1900 Hattem, died 28 Apr 1950 Coevorden, age 49 years. Occupation: wegenbouwer/meteropnemer Child: | |||