 Johanna "Jo" Koster, daughter of Cornelis Koster and Kaatje Swart.Born 15 Nov 1903 Bovenkarspel, died 24 Feb 1974 Bolsward, age 70 years, buried Bolsward Married 19 Jan 1956 Bovenkarspel, age 52 years (married 18 years) to:  Jan Postma, age by marriage 64 years, son of Pieter Jans Postma and Johanna Jacobs Jorna.Born 9 Apr 1891 Warga, died 13 Oct 1979 Blauwhuis, age 88 years, buried Bolsward, 1st marriage to: Anna Susanna (Annie) Tel, 2nd marriage to: Johanna "Jo" Koster | |||