Patrik Georg Fabian de Laval was a Swedish sports shooter and modern pentathlete who competed in the 1912 Summer Olympics. He was part of the Swedish team that won the silver medal in the 50 m team military pistol event. Individually he won a bronze medal in the firstcontested modern pentathlon.
De Laval was born of a Swedish noble family. In 1913 he married baroness Ebba Fleetwood, the eldest daughter of baron Carl Fleetwood, 10th baron of Jlunda, and his first wife countess Hedvig, ne Lewenhaupt. His brothers Patrik and Erik were also Olympic pentathletes.
Source: Wikipedia