Henrica Bobbe-de Vries was her aunty. Her father (Henri de Vries) was the brother of Henrica de Vries. Her grandparents were Itzak Jacob de Vries (04-04-1833 Leusden- 08-09-1900 The Hague). Greta Selina her grandmother was Rachel Henriques de la Fuente, (18-07-1837-17-12-1916) The Hague.