 Johannes G.B. "Joop" Havinga Married to:  Cecilia Margaretha (Cilia) Alves, daughter of Andries Alves and Akke Klaver.Born 13 Apr 1936, died 6 May 1979, age 43 years, cremation Goutum | |||
| Johannes G.B. "Joop" Havinga Married to: Cecilia Margaretha (Cilia) Alves, daughter of Andries Alves and Akke Klaver.Born 13 Apr 1936, died 6 May 1979, age 43 years, cremation Goutum | |||