She is married to Paulus Costerus.
They got married on July 8, 1920 at Capelle aan de IJssel, she was 21 years old.Source 1
P.N Kalkman Pag. 80.
Maria Johanna. Geb. Moordrecht 1 mrt. 1899. Tr. Capelle a.d. IJssel 8 juli 1920 Paulus Costerus, geb. Capelle a.d. IJssel 16 nov. 1898, timmerman, † Capelle a.d. IJssel 9 okt. 1976, zn. van Eeuwout Nicolaas Costerus, ijzerwerker, en Willemina Verschoor.
Maria Johanna Kalkman | ||||||||||||||||||
1920 | ||||||||||||||||||
Paulus Costerus |