Bij geboorte aangegeven als Willem Canters. Op 27-5-1864 is de naam van Doodewaart toegevoegd aan familienaam
(1) He is married to Cornelia Catharina Henriëtta Kleijn van Willigen.
They got married on May 27, 1870 at Delft , he was 27 years old.Source 3
(2) He is married to Wilhelmina Henrica Johanna Arendsen de Wolff.
They got married on November 4, 1886 at Rotterdam , he was 44 years old.Source 4