House of Luxembourg-Ligny

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 and Brienne
  Adopted the arms of their parent house

• 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 and Barons of Piney
  Dukes of Piney-Luxembourg
  Issued from François, 3rd son of Antoine II, Count of Saint-Pol
  Used undifferentiated arms of main branch

• Personal Arms
• 

  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