Guillaume married Marguerite de Pompadour 3 May 1511, France. Marguerite (daughter of Antoine de Pompadour and Catherine de La Tour d'Auvergne) was born 19 Jun 1491, France; died Aft 1524. [Group Sheet]
Catherine married François de Langeac 15 May 1536, France. François (son of Renaud de Langeac and Claude de L'Espinasse) was born Abt 1504, France. [Group Sheet]