Bred by Baron Edouard A. de Rothschild and raced by his son Guy following his death in 1949.
Members of the prominent Rothschild banking family of France, they owned Haras de Meautry breeding farm in Touques, Calvados where Vieux Manoir was foaled.
Vieux Manoir was trained by Frenchman, Geoffroy Watson, a member of the renowned English Racing Colony in Chantilly.
His best-known progeny was Val de Loir, whose wins included the Classic Prix du Jockey Club in 1962 and who became a three-time leading sire in France as well as a Leading broodmare sire in Great Britain & Ireland.
Through Vieux Manoir's daughter, Agujita, he is the damsire of the international superstar filly and U.S.