3rd Earl of Leicester Robert de Beaumont, III
1135 - 1190 (55 years)
1. 3rd Earl of Leicester Robert de Beaumont, III was born in 1135 in Leicester, Leicestershire, England; died on 31 Aug 1190 in Greece. Robert married Countess of Leicester Petronilla Pernel de Grandmesnil in 1155 in Leicester, Leicestershire, England. Petronilla was born in 1134 in Leicestershire, England; died on 1 Apr 1212 in Leicester, Leicestershire, England; was buried in Leicester, Leicestershire, England. [Group Sheet] [Family Chart]
Children:
- 2. Margaret de Beaumont
was born in 1154 in North Molton, Devon, England; died on 12 Jan 1235 in Leicestershire, England; was buried in Brackley, Northamptonshire, England.
- 2. Margaret de Beaumont
Generation: 2
2. 
Margaret de Beaumont (1.Robert1) was born in 1154 in North Molton, Devon, England; died on 12 Jan 1235 in Leicestershire, England; was buried in Brackley, Northamptonshire, England. Family/Spouse: 1st Earl of Winchester Baron Saher de Quincy, IV. Baron was born in 1155 in Winchester, Hampshire, England; died on 3 Nov 1219 in Egypt; was buried in Israel. [Group Sheet] [Family Chart]
Children:
- 3. Hawise de Quincy was born in 1178 in Winchester, Hampshire, England; died on 3 Feb 1263 in Earls Colne, Essex, England; was buried in Suffolk, England.
- 3. Hawise de Quincy
Generation: 3
3. Hawise de Quincy (2.Margaret2, 1.Robert1) was born in 1178 in Winchester, Hampshire, England; died on 3 Feb 1263 in Earls Colne, Essex, England; was buried in Suffolk, England. Hawise married 4th Earl of Oxford Hugh de Vere on 11 Feb 1222 in Winchester, Hampshire, England. Hugh (son of 3rd Earl of Oxford Robert de Vere and Isabel de Bolebec) was born about 1185 in Essex, England; died on 23 Dec 1263 in Essex, England; was buried in Suffolk, England. [Group Sheet] [Family Chart]
Children:
- 4. Isabel de Vere was born in 1228 in Totnes, Devon, England; died on 11 Aug 1300 in Okehampton, Devon, England; was buried in Exeter, Devon, England.
- 5. 5th Earl of Oxford Robert de Vere was born in 1240 in Essex, England; died on 2 Sep 1296 in Essex, England; was buried in Suffolk, England.
- 4. Isabel de Vere
Generation: 4
4. Isabel de Vere (3.Hawise3, 2.Margaret2, 1.Robert1) was born in 1228 in Totnes, Devon, England; died on 11 Aug 1300 in Okehampton, Devon, England; was buried in Exeter, Devon, England. Isabel married 2nd Baron of Okehampton John de Courtenay in 1249 in Devon, England. John was born on 26 Jul 1224 in Okehampton, Devon, England; died on 3 May 1274 in Devon, England; was buried in Thorncombe, Dorset, England. [Group Sheet] [Family Chart]
Children:
- 6. 3rd Baron of Okehampton Sir Hugh de Courtenay was born on 25 Mar 1249 in Okehampton, Devon, England; died on 28 Feb 1291 in Colyton, Devon, England; was buried in Exeter, Devon, England.
- 6. 3rd Baron of Okehampton Sir Hugh de Courtenay
5. 5th Earl of Oxford Robert de Vere (3.Hawise3, 2.Margaret2, 1.Robert1) was born in 1240 in Essex, England; died on 2 Sep 1296 in Essex, England; was buried in Suffolk, England. Robert married Alice de Sanford on 22 Feb 1252 in Oxfordshire, England. Alice (daughter of Gilbert de Sanford and Lora la Zouche) was born on 1 Jan 1230 in Hertfordshire, England; died on 9 Sep 1312 in Essex, England; was buried in Earls Colne, Essex, England. [Group Sheet] [Family Chart]
Children:
- 7. 5th Earl of Oxford Sir Alphonse de Vere was born about 1266 in Oxford, Oxfordshire, England; died on 20 Dec 1329 in Oxford, Oxfordshire, England; was buried in Saint Albans, Hertfordshire, England.
- 7. 5th Earl of Oxford Sir Alphonse de Vere