He is married to Geelke Douwes Iest.
They got married on December 23, 1872 at Achtkarspelen (Fr), he was 26 years old.Source 4
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Klaas Douwes Douma | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1872 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Geelke Douwes Iest | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Geboorteregister 1846, Achtkarspelen
Overlijdensregister 1926, Smallingerland
https://www.graftombe.nl/names/info/298728/douma
Huwelijksregister 1872, Achtkarspelen