The record of the annulment of her German nationality, like that of her twin sister, gives her date of birth as 02.11.1923. The membership list of her tennis club gives her date of birth as 02.12.1923. Both give the same address: Breslau, Kuerassierstrasse 26, as her parents. Her 1962 Brazilian visa also gives her date of birth as 02.12.1923 and gives her nationality as Bolivian.