He is married to Trijntje Knijft.
They got married on May 18, 1935 at Westdongeradeel, Friesland, Nederland, he was 28 years old.Source 3
grandparents
parents
brothers/sisters
children
Kornelis Osinga | ||||||||||||||||||
1935 | ||||||||||||||||||
Trijntje Knijft | ||||||||||||||||||
Geboorteregister 1907, Achtkarspelen
https://www.graftombe.nl/names/info/448273/osinga
Huwelijksregister 1935, Westdongeradeel