 The house of d'Estaing became extinct in France with the death of Admiral Charles Henri d'Estaing (in 1794), who had no son as heir.The genealogy of the d'Estaing family has not documented any connection to the family of Giscard d'Estaing, which permitted in 1922 to take the name.In 1214, at the Battle of Bouvines, Déodat, known as Tristan, was said to have saved the life of King Philippe Auguste and given him his horse.