Thomas Plantagenet of Brotherton, 1st Earl of Norfolk, Lord Marshal, was born 1 June 1300 to Edward I of England (1239-1307) and Marguerite Capet (1282-1317) and died 4 August 1338 of unspecified causes. He married Alice De Hales (1302-Bef 1330) 1319 JL . He married Mary Braose 28 March 1353 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 Thomas of Brotherton and Alice De Hales (1302-Bef 1330)|
|Edward of Norfolk (c1320-1334)||1320||9 August 1334||Beatrice de Mortimer (c1322-1383)|
|Margaret of Norfolk (c1320-1399)||1320||24 March 1399||John Segrave, 4th Baron Segrave (1315-1353) John Segrave, 4th Baron Segrave (1315-1353) Walter Manny, 1st Baron Manny (c1310-1372)|
|Alice of Norfolk (1324-1352)|