Georges Vallerey  Georges Émile Pierre Jehan Denis Vallerey, Sr. (2 December 1902 – 11 June 1956) was a French swimmer. He competed at the 1924 Summer Olympics in the 200 m breaststroke event, but failed to reach the final. His son Georges Vallerey, Jr. and daughter Gisèle Vallerey also became Olympic swimmers.