Her great-grandfather was the wholesaler Abraham Bergholm in
Stockholm.
Her sister was the opera singer Greta Lisa Söderman (b. 13 November
1891).
Her grandfather was the composer Johan August Söderman (b. 17 July
1832, d. 10 February 1876) and her grandmother the actress Eva Kristina
Bergholm (b. 1836, d. 1 February 1901).
Her father was the opera singer Carl August Söderman (b. 13 October
1860, d. 15 February 1916) and her mother the opera singer Erika
Kristina Bergenson (b. 26 July 1864, d. 8 January 1904).