Henry Beaumont, 3rd Baron Beaumont, was born circa 1340 in Vlaams-Brabant, Belgium to John Beaumont, 2nd Baron Beaumont (c1317-1342) and Eleanor Plantagenet (c1318-1372) and died 25 July 1369 of unspecified causes. He married Margaret de Vere (c1344-1398) 15 February 1363 JL . William I of England (1027-1087), Henry II of England (1133-1189), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
|Offspring of Henry Beaumont, 3rd Baron Beaumont and Margaret de Vere (c1344-1398)|
|John Beaumont, 4th Baron Beaumont (1361-1396)||1361 (Duchy of Brabant)||9 September 1396 Stirling, Stirling and Falkirk, Scotland, United Kingdom||Catherine Everingham (1367-1428)|
|Eleanor Beaumont (c1365-)|