- Søskende
- Alexandre Willaume-Jantzen
Erik Vilhelm Willaume-Jantzen
(1911 - )
Inge Thomsen
(1914 - )
Søren Valdemar Willaume-Jantzen
(1877 - 1965)
Dorothea Clara Elsa Marek
(1885 - )
Charles Richard Thomsen
(1883 - )
Rigmor Louise Ballerstein
(1888 - )
