- Met Roman Cycowski and Ari Leschnikoff at Großes Schauspielhaus in Berlin and Harry Frommermann after replying to a newspaper advertisement Frommermann had placed.
- Was expelled from school when he was 12.
- His father was a successful opera singer before alcohol and an unhealthy lifestyle took their toll on his voice.
- Through his father, he was an Austrian citizen at birth. He acquired German citizenship in December 1926.
- His brother Leopold was born in 1895.
- His father Georg Johann Bibert used "Robert Biberti" as a stage name before his son was born and ended up formally changing his name, resulting in the whole family using Biberti as a surname.
- His father was Austrian.
- His mother Elise Emilie (known as Emilie) was a voice and piano teacher originally from Herbesthal near Aachen.
- Adoptive father (since 1973) of actress, author and blogger Ilse Biberti.
Contribute to this page
Suggest an edit or add missing content