Maurice Blitz competed in water polo at the 1920 and 1924 Olympics, winning silver medals both times. His brother, Gérard was one of his teammates at both Olympics, and also competed for Belgium in swimming and then again at the 1928 and 1936 Olympics. Maurice later became an international referee, conducting the Olympic final in 1928, and was a member of the Belgian Olympic Committee and swimming federation. In 1948, Maurice Blitz founded the swimming and waterpolo club Zwemclub Scaldis in Antwerp. Maurice Blitz’s son, also Gérard Blitz, never competed at the Olympics, but became known during World War II as a resistance fighter with the French Resistance. After the war, Gérard Blitz became famous when he founded a vacation resort named Club Méditerranée, opening the first resort on Majorca, which later became franchised with the name shortened to Club Med. Gérard Blitz, the younger, also studied yoga, and became secretary and then president of the European Union of Yoga from 1974 until his death in 1990.