House of Beaumont-Brienne

Coat of Arms
House of Beaumont
Lords of La Guerche, Pouancé
and Château Gontier
Viscounts of Beaumont-au-Maine

Cadet Branches
House Beaumont of Folkingham
Lords of Folkingham
Barons and Viscounts Beaumont
Issued from Henry, 2nd son of Louis de Brienne d'Acre, Viscount of Beaumont
House Beaumont of Swords
Lords of Bacqueville
Lords and Baronets of Coleorton
Viscounts Beaumont of Swords
Issued from Thomas, 3rd son of John Beaumont, 4th Baron Beaumont
House Beaumont of Gracedieu
Lords of Bachuile
Lords and Baronets of Grace Dieu
Issued from Thomas, 2nd son of Thomas Beaumont, Lord of Bacqueville

Personal Arms
Jean I de Beaumont
Viscount of Beaumont-au-Maine
Arms in Chifflet-Prinet Roll
Henry de Beaumont
Lord of Folkingham
1st Baron Beaumont
Earl of Buchan (jure uxoris)
Progenitor of English branches
Richard de Beaumont
Knight
Younger son of Henry de Beaumont, 1st Baron Beaumont
John de Beaumont
4th Baron Beaumont
Lord Warden of the Cinque Ports
Arms in Gelre Armorial