Roger Mortimer, 1st Earl of March, 3rd Baron Mortimer, was born 25 April 1287 in Wigmore Castle, Herefordshire, England, United Kingdom to Edmund Mortimer, 2nd Baron Mortimer (1251-1304) and Margaret de Fiennes (aft1269-1333) and died 29 November 1330 of unspecified causes. He married Joan de Geneville (1286-1356) 1301 JL . Notable ancestors include Charlemagne (747-814), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996), Alfred the Great (849-899), Rurik (c832-879). Ancestors are from the United Kingdom, England, France, Germany, Belgium, the Netherlands, Spain, Portugal, Russia, Ukraine, Italy.


Offspring of Roger Mortimer, 1st Earl of March and Joan de Geneville (1286-1356)
Name Birth Death Joined with
Edmund Mortimer (1302-1331) 1302 16 December 1331 Elizabeth de Badlesmere (1313-1356)

Margaret Mortimer (1304-1337) 2 May 1304 5 May 1337 Thomas de Berkeley (c1310-1361)

Maud Mortimer (1307-aft1345)
Geoffrey Mortimer (1309-aft1372)
John Mortimer (1310-1328)
Joan Mortimer (c1312-aft1337)
Isabella Mortimer (c1313-aft1327)
Agnes de Mortimer (c1313-1368)
Catherine Mortimer (c1314-1369) 1314 4 August 1369 Thomas de Beauchamp, 11th Earl of Warwick (1313-1369)

Blanche Mortimer (c1316-1347) 1316 1347 Piers de Grandison, 2nd Baron Grandison (1286-1358)

Beatrice de Mortimer (c1322-1383) 1322 16 October 1383 Edward of Norfolk (c1320-1334)
Thomas de Brewose, 1st Lord Brewose (1301-1361)

Common ancestors of Roger Mortimer, 1st Earl of March (1287-1330) and Joan de Geneville (1286-1356)

  1. Guillaume des Roches (c1170-1222)
  2. Marguerite de Sablé (1175-1238)

Footnotes (including sources)

‡ General

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