Dons was born on 18 August 1903 in Svanholm, Frederikssund, Denmark to Hans Bergishagen Dons (1849–1930) and Frede Henriette Gottlieb (1869–1957).
Dons was born on 18 August 1903 in Svanholm, Frederikssund, Denmark to Hans Bergishagen Dons (1849–1930) and Frede Henriette Gottlieb (1869–1957).