 Jan Jonkman, son of Klaas Jonkman and Grietje Hommes Huitema.Born 21 Aug 1887 Smallingerland (birth declaration: 22 Aug 1887), died 23 Nov 1926 Smallingerland, age 39 years (death declaration: 25 Nov 1926) Married 1 Jun 1912, age 24 years (married 14 years) to: | |||
