Gunther was born with the family name Gebel in the german town of Schweidnitz, now part of Poland.
His widowed mother worked at Circus Williams as taylor, and Gunther started to help with the animals from young age.
At sixteen, he became leader of the circus, after Harry Williams died in the ring, and he changed his family name to Gebel-Williams after he married Harry Williams daughter Jeanette.
In 1968 Circus Williams were famous for one of the best animal acts in Europe, and Irvin Feld bought the circus for $2 millions, and Gunther became 1969 engaged as animal trainer at Ringling Bros. and Barnum & Bailey Circus.
Children with Sigrid
- Mark Oliver "Buffy" Gebel
- Tina Gebel-Delmoral, born 16 November 1962 in Berlin