(1) He is married to Willemke Joukes Wiersma.
They got married on May 18, 1895 at Tietjerksteradeel, Friesland, Nederland, he was 28 years old.Source 3
(2) He is married to Elisabeth Wouda.
They got married on May 17, 1911 at Leeuwarden (Fr), he was 44 years old.Source 4
grandparents
parents
brothers/sisters
children
Jetse Pieters Koster | ||||||||||||||||||
(1) 1895 | ||||||||||||||||||
Willemke Joukes Wiersma | ||||||||||||||||||
(2) 1911 | ||||||||||||||||||
Elisabeth Wouda | ||||||||||||||||||