He is married to Rimke Dijkstra.
They got married on May 12, 1923 at Tietjerksteradeel, Friesland, Nederland, he was 30 years old.Source 3
grandparents
parents
brothers/sisters
children
Lammert de Graaf | ||||||||||||||||||
1923 | ||||||||||||||||||
Rimke Dijkstra | ||||||||||||||||||
Geboorteregister 1892, Tietjerksteradeel
https://www.graftombe.nl/names/info/298374/graaf_de
Huwelijksregister 1923, Tietjerksteradeel