(1) He is married to Lieuwkje Kooistra.
They got married on June 25, 1925 at Achtkarspelen (Fr), he was 25 years old.Source 3
Met legitimatie van een kind
(2) He is married to Bartje Herder.
They got married on October 12, 1933 at Achtkarspelen (Fr), he was 33 years old.Source 4
grandparents
parents
brothers/sisters
children
Jan van der Sluis | ||||||||||||||||||
(1) 1925 | ||||||||||||||||||
Lieuwkje Kooistra | ||||||||||||||||||
(2) 1933 | ||||||||||||||||||
Bartje Herder | ||||||||||||||||||
Geboorteregister 1900, Achtkarspelen
https://www.graftombe.nl/names/info/279293/sluis_van_der
Huwelijksregister 1925, Achtkarspelen
Huwelijksregister 1933, Achtkarspelen