Seigneur du Bois, d'Annequin and de Noyelles Seigneur de Raincheval and Baron d'Esne were some of his other titles. He and his wife were cousins. He purchased lands/titles from Hughes Carnin 1468.
Marriage 1 Dame de Caumesnil Catherine b: in France * Married: 1451 Children 1. Jean (Jean IV) dubois de Fiennes b: in France 2. Antoine dubois de Fiennes 3. Catherine de Fiennes b: in France 4. Marguerite de Fiennes
Marriage 2 Jeanne duBois de Fiennes b: ABT 1462 * Married: 1480 in France Children 1. Barbe de Fiennes 2. Charles duBois I de Fiennes b: ABT 1482 in France