(1) He is married to Joanna Brigitta de Lange.
They got married on May 23, 1894 at Rotterdam (ZH) , he was 24 years old.Source 3
(2) He is married to Paulina Wilhelmina Hoek.
They got married on December 8, 1915 at Rotterdam (ZH) , he was 46 years old.Source 4
Jan Willem Blokkerus | ||||||||||
(1) 1894 | ||||||||||
Joanna Brigitta de Lange | ||||||||||
(2) 1915 | ||||||||||
Paulina Wilhelmina Hoek |