(1) He is married to Willemina Kemink.
They got married on April 30, 1885 at Dinxperlo , he was 38 years old.Source 1
Witness: Jan Hendrik Hengeveld, 60 jr, landbouwer, Hendrik Jan Smits, 59 jr. landbouwer, Frederik Willem Groot Nibbeling, 49 jr, landbouwer, Hendrik August Hartman, 36 jr. koopman
(2) He had a relationship with Grada Bernarda Brugging.
Derk Willem Demkes | ||||||||||
(1) 1885 | ||||||||||
Willemina Kemink | ||||||||||
(2) | ||||||||||