(1) He is married to Catharina Johanna Verroen.
They got married on February 17, 1836 at Rotterdam , he was 23 years old.Source 3
(2) He is married to Maria Siebers.
They got married on May 24, 1837 at Rotterdam , he was 24 years old.Source 4
(3) He is married to Carolina Helena Jeannette de Robaix.
They got married on July 9, 1874 at Delfshaven , he was 61 years old.Source 5
Willem Demmers | ||||||||||
(1) 1836 | ||||||||||
Catharina Johanna Verroen | ||||||||||
(2) 1837 | ||||||||||
Maria Siebers | ||||||||||
(3) 1874 | ||||||||||
Carolina Helena Jeannette de Robaix |