(1) He is married to Johanna Elisabeth Lagas.
They got married on August 4, 1858 at Leiden, he was 26 years old.
(2) He is married to Johanna Catharina Galjaard.
They got married on September 15, 1886 at Leiden, he was 54 years old.
grandparents
parents
brothers/sisters
children
Willem Fredrik Koster | ||||||||||||||||||
(1) 1858 | ||||||||||||||||||
Johanna Elisabeth Lagas | ||||||||||||||||||
(2) 1886 | ||||||||||||||||||
Johanna Catharina Galjaard | ||||||||||||||||||
The data shown has no sources.