(died 1322) Approximate date – Aymer de Valence, 2nd Earl of Pembroke (died 1324) 1276 Humphrey de Bohun, 4th Earl of Hereford (died in battle 1322) 1278 11 March – Mary of Woodstock, daughter of King Edward I, nun (died by 1332) Approximate date – Thomas, 2nd Earl of Lancaster, politician (executed 1322) 1279 Approximate date – Marguerite of France, daughter of Philip III of France and Queen consort of Edward I of England (died 1318) Deaths 1270 18 July – Boniface of Savoy, Archbishop of Canterbury, (born c. 1217) Roger Bigod, 4th Earl of Norfolk (born 1212) 1271 13 March – Henry of Almain, crusader (born 1235) Richard de Grey, Lord Warden of the Cinque Ports (year of birth unknown) 1272 18 March – John FitzAlan, 7th Earl of Arundel (born 1246) 2 April – Richard, 1st Earl of Cornwall (born 1209) 16 November – King Henry III (born 1207) Bartholomeus Anglicus, Franciscan friar and encyclopedia author (born before 1203) Approximate date – William of Sherwood, logician (born c.1200) 1275 26 February – Margaret of England, daughter of Henry III of England and consort of Alexander III of Scotland (born 1240) 13 April – Eleanor of England (born 1215) 24 September – Humphrey de Bohun, 2nd Earl of Hereford, Constable of England (born 1208) John of Howden, canon and poet writing in Norman French and Latin 1277 27 October – Walter de Merton, Lord Chancellor and founder of Merton College, Oxford (born c. 1205) 1279 11 September – Robert Kilwardby, Archbishop of Canterbury (born c. 1215) Walter Giffard, Lord Chancellor and archbishop (year of birth unknown) References