Goswin Christina Hendrika François 15 sep 1921 (Civil)Amsterdam, 22 jan 1929 Amsterdam. Christina 08 mrt 1883 Amsterdam. [Gezinsblad] []
Goswin Frieda Caroline Louise Diederich 25 jun 1930 (Civil)Amsterdam. Frieda (dochter van Christoph Louis Diederich en Caroline Louise Johanna Rahlf) 06 nov 1884 Schwartau/ Lûbeck(Duitsland); 03 mrt 1934Amsterdam; 07 mrt 1934Amsterdam. [Gezinsblad] []
Goswin Adele Anna Catharine Diederich 14 aug 1935 (Civil)Amsterdam. Adele 04 mei 1894 Trems,(Duitsland); . [Gezinsblad] []