Jean de Montfort

Jean de Montfort may refer to:

  • Jean I de Montfort (died 1249), comte de Montfort
  • John IV, Duke of Brittany (1294-1345), contested Duke of Brittany, one of two sides in the Breton War of Succession
  • John V, Duke of Brittany (1339 - 1399), son of the former, Duke of Brittany from 1364 to 1399, count of Richemont and count of Montfort (1345-1399).
  • Jean de Montfort (died 1283), lord of Tyre and of Toron
  • Jean de Montfort-Castres (died c. 1300), count of Squillace (kingdom of Naples), son of Philippe II de Montfort, lord of Castres, and of Jeanne de LĂ©vis-Mirepoix
  • Jean de Montfort (1385 - 1414), who later took the name Guy XIII de Laval, Lord of Laval