She is married to Theodorus Cornelis Alkemade.
They got married on January 20, 1926 at Noordwijk, Zuid-Holland , she was 20 years old.Source 2
Ouders
Christiaan Franciscus Droogh
Theodora Maria Kneppers
kinderen
(1) Cornelis Adrianus Theodorus (*1926 †2005 )
(2) Christianus Johannes (*1928 )
(3) Theodorus Gerardus (*1931 )
(4) Theodora Cornelia Theresia (*1932 )
(5) Adrianus Maria (*1934 )
(6) Margaretha Maria Theresia (*1939 )
[http://www.alkemade-gen.eu/Viewpers.asp?PIDnr=610]