(1) He is married to Wiea Edens.
They got married on November 20, 1898 at Groningen (GR) , he was 22 years old.Source 1
The couple were divorced from April 26, 1915 at Groningen (GR) .Source 3
(2) He is married to Johanna Gerarda Aardewijn.
They got married on February 2, 1916 at Naaldwijk, Westland (ZH) , he was 39 years old.Source 4
(3) He is married to Hendrika Elizabeth Theodora van Beuzekom.
They got married on August 29, 1917 at Den Haag, Zuid-Holland, Nederland, he was 41 years old.Source 5
Ouders: Gerhardus Groeninga & Gaaske Bruinenga