(1) She is married to Johannes Visser.
They got married on August 12, 1902 at Eenrum (Gr), she was 23 years old.Source 3
(2) She is married to Bouke Zwerver.
They got married on January 23, 1922 at Winsum (Gr), she was 43 years old.Source 4
Geboorteregister Kloosterburen 1878
https://www.graftombe.nl/names/info/2002516/venhuizen
Huwelijksregister Eenrum 1902
Huwelijksregister Winsum 1922