The following individuals were Earls (suo jure or jure uxoris) or Countesses (suo jure) during the reign of King Edward I of England who reigned from 1272 to 1307. The period of tenure as Earl or Countess is given after the name and title of each individual, including any period of minority. Earl of Arundel Richard FitzAlan, 8th Earl of Arundel (1272-1302) Edmund FitzAlan, 9th Earl of Arundel (1302-1326) Earl of Cornwall Edmund, 2nd Earl of Cornwall (1272-1300) Earl of Devon Isabella de Forz (née de Redvers), 8th Countess of Devon suo jure (1262-1293) Earl of Essex Humphrey de Bohun, 2nd Earl of Hereford, 1st Earl of Essex (1220-1275) Humphrey de Bohun, 3rd Earl of Hereford, 2nd Earl of Essex (1275-1298) Humphrey de Bohun, 4th Earl of Hereford, 3rd Earl of Essex (1298-1322) Earl of Gloucester Gilbert de Clare, 7th Earl of Gloucester, 6th Earl of Hertford, (1262-1295) Ralph de Monthermer, 1st Baron Monthermer, Earl of Gloucester jure uxoris (1295-1307) Earl of Hereford Humphrey de Bohun, 2nd Earl of Hereford, 1st Earl of Essex (1220-1275) Humphrey de Bohun, 3rd Earl of Hereford, 2nd Earl of Essex (1275-1298) Humphrey de Bohun, 4th Earl of Hereford, 3rd Earl of Essex (1298-1322) Earl of Hertford Gilbert de Clare, 7th Earl of Gloucester, 6th Earl of Hertford, (1262-1295) Ralph de Monthermer, 1st Baron Monthermer, Earl of Hertford jure uxoris (1295-1307) Earl of Lancaster Edmund Crouchback, 1st Earl of Lancaster, 1st Earl of Leicester (1267-1296) Thomas, 2nd Earl of Lancaster, 2nd Earl of Leicester (1296-1322) Earl of Leicester Edmund Crouchback, 1st Earl of Lancaster, 1st Earl of Leicester (1267-1296) Thomas, 2nd Earl of Lancaster, 2nd Earl of Leicester (1296-1322) Earl of Lincoln Henry de Lacy, 3rd Earl of Lincoln (1272-1311) Earl of Norfolk Roger Bigod, 5th Earl of Norfolk (1270-1306) Earl of Oxford Robert de Vere, 5th Earl of Oxford (1263-1296) Robert de Vere, 6th Earl of Oxford (1296-1331) Earl of Pembroke William de Valence, 1st Earl of Pembroke (? - 1296) Aymer de Valence, 2nd Earl of Pembroke (1296-1324) Earl of Richmond John II, Duke of Brittany, 3rd Earl of Richmond (1268-1305) John of Brittany, Earl of Richmond (1306-1334) Earl of Salisbury Margaret Longespée, 4th Countess of Salisbury suo jure (1261-1310) Earl of Surrey John de Warenne, 6th Earl of Surrey (1240-1304) John de Warenne, 7th Earl of Surrey (1304-1347) Earl of Warwick William de Beauchamp, 9th Earl of Warwick (1268-1298) Guy de Beauchamp,