(1) He is married to Petronalla Maria Neerscholte.
They got married on May 7, 1884 at Loosduinen , he was 23 years old.Source 3
(2) He is married to Clazina Duivenvoorden.
They got married on April 7, 1926 at Den Haag, he was 65 years old.Source 4
Wilhelmus Cornelis van der Knaap | ||||||||||||||||||
(1) 1884 | ||||||||||||||||||
Petronalla Maria Neerscholte | ||||||||||||||||||
(2) 1926 | ||||||||||||||||||
Clazina Duivenvoorden |