(1) He is married to Trijntje Werkman.
They got married on May 19, 1905 at Baflo (Gr), he was 21 years old.Source 3
(2) He is married to Maria Helena Hoving.
They got married on March 4, 1939 at Warffum (Gr), he was 55 years old.Source 4
grandparents
parents
brothers/sisters
children
Hindrik de Groot | ||||||||||||||||||
(1) 1905 | ||||||||||||||||||
Trijntje Werkman | ||||||||||||||||||
(2) 1939 | ||||||||||||||||||
Maria Helena Hoving | ||||||||||||||||||