Cadet branch of the House of Luxembourg
- Coat of Arms
House of Luxembourg-Ligny
Lords and Counts of Ligny
Ancient arms used until 1348
House of Luxembourg-Ligny
Lords of Beauvoir and Richebourg
Counts of Saint-Pol, Ligny, Roussy, Brienne, Marle and Soissons
Adopted the arms of their paternal ancestors the Limburg family
- Cadet Branches
House of Luxembourg-Fiennes
Lords of Fiennes, Armentières, Sottenghien, Arckenghien, Auxi-le-Château
Lords and Counts of Gavere
Issued from Thibault, younger son of Pierre I, Count of Saint-Pol
House of Luxembourg-Martigues
Lords of Évian, Festerne, La Tour-de-Peilz, Monthey and Vevey
Viscounts of Martigues
Counts and Dukes of Penthièvre
Issued from François, younger son of Thibault, Lord of Fiennes
House of Luxembourg-Piney
Lords of Brienne-la-Vieille and Brienne-le-Château
Barons and Dukes of Piney
Counts of Roussy
Princes of Tingry
Issued from François, 3rd son of Antoine II, Count of Saint-Pol
- Personal Arms
Waleran de Luxembourg
Lord of Ligny and La Roche
Arms in Chronicle of Tournoi de Compiègne
Waleran de Luxembourg
Lord of Ligny and La Roche
Arms in Dering Roll
Waleran de Luxembourg
Lord of Ligny and La Roche
Arms in Herald's Roll
Louis de Luxembourg
Bishop of Thérouanne and Ely
Archbishiop of Rouen
Younger brother of Pierre I, Count of Saint-Pol
Jacquetta of Luxembourg
Duchess of Bedford
Countess Rivers
Eldest daughter of Pierre I, Count of Saint-Pol
Jacques de Luxembourg-Ligny
Lord of Richebourg
3rd son of Pierre I, Count of Saint-Pol
Jean Hennequin de Luxembourg
Lord of Hautbourdin
Illegitimate son of Waleran III, Count of Saint-Pol
Jacqueline de Luxembourg
Daughter of Louis de Luxembourg, Count of Saint-Pol
Wife of Philippe I de Croÿ, Count of Porcien