Coby_Sikkens
Cobie Sikkens
Dutch swimmer (born 1946)
Jacoba Catharina "Coby" Sikkens (born 11 May 1946, in Groningen) is a retired Dutch backstroke swimmer who won a gold medal in 4 × 100 m medley at the 1966 European Aquatics Championships. She also participated in the 1968 Summer Olympics.[1]