(1) He is married to Trijntje van der Heide.
They got married on October 1, 1921 at Smallingerland (Fr), he was 25 years old.Source 3
(2) He is married to Hinke de Jong.
They got married on May 2, 1936 at Smallingerland (Fr), he was 40 years old.Source 4
grandparents
parents
brothers/sisters
children
Sjoerd de Graaf | ||||||||||||||||||
(1) 1921 | ||||||||||||||||||
Trijntje van der Heide | ||||||||||||||||||
(2) 1936 | ||||||||||||||||||
Hinke de Jong | ||||||||||||||||||
Geboorteregister 1895, Smallingerland
https://www.graftombe.nl/names/info/249037/graaf_de
Huwelijksregister 1921, Smallingerland
Huwelijksregister 1936, Smallingerland