Tags: Horse Rider.
Petronella (Ellen) Theodora Maria Bontje (born June 11 1958 in Hilversum Noord-Holland) is an equestrian from The Netherlands who won the silver medal in the Team Dressage Event at the 2000 Olympic Games in Sydney Australia. She did so alongside Anky van Grunsven Coby van Baalen and Arjen Teeuwissen. In the Individuel Competition Bontje finished in sixth position.