Cadet branch of the House of Fiennes-Heuchin
- Coat of Arms
House of Bois de Fiennes
Lords of Bois d’Esquerdes, Annequin and Vermelles
Barons of Esnes
House of Bois de Fiennes
Lords of Bois d’Esquerdes, Annequin and Vermelles
Barons of Esnes
Viscounts of Fruges
Counts of Chaumont
Marquises of Fiennes
- Cadet Branches
House of Bois-Famechon
Lords of Raincheval, Fumechon and Villers-sur-Authie
Issued from Tristan du Bois, younger son of Henri I du Bois de Fiennes
House of Bois-Boyeffles
Lords of Boyeffles, Bouvigny
and Regnauville
Issued from Baudoin, younger son of Jean I du Bois, Lord of Bois d'Esquerdes
- Personal Arms
Henri I de Fiennes
Lord of Bois d'Esquerdes
Younger son of Robert I de Fiennes
Progenitor of Bois de Fiennes branch
Tristan du Bois
Lord of Raincheval, Fumechon and Villers-sur-Authie
Youngr son of Henri I de Fiennes, Lord of Bois d'Esquerdes
Progenitor of Famechon branch
Seal of 1369
Pierre Morelet du Bois
Lord of Raincheval and Villers-sur-Authie
Grandson of Tristan du Bois, Lord of Raincheval
Jean II du Bois de Fiennes
Lord of Bois d’Esquerdes, Vermelles and Annequin
Baron of Esnes