Alfonso (Sir) De Vere
- 1328(
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- 1 Alfonso (Sir) De Vere [1] d. 20 Dec 1328
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- 2 John (7Th Earl of Oxford) De Vere [1.1] b. 12 Mar 1310-1311 d. 23 Jan 1358-1359
- Maud De Badlesmere d. 24 May 1366
- 3 Thomas (8Th Earl of Oxford) De Vere [1.1.1] d. Yes, date unknown
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- 4 Robert (9Earl of Oxford Duke of Ireland) De Vere [1.1.1.1] b. 16 Jan 1360-1361 d. 1392
- 4 Robert (9Earl of Oxford Duke of Ireland) De Vere [1.1.1.1]
- 3 Aubrey (10Th Earl of Oxford) De Vere [1.1.2] b. Abt 1339 d. 23 Apr 1400
- Alice Fitzwalter d. Yes, date unknown
- 4 Richard (11Th Earl of Oxford) De Vere [1.1.2.1] b. 1385 d. 15 Feb 1416-1417
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- 4 Richard (11Th Earl of Oxford) De Vere [1.1.2.1]
- 3 John (Sir) (Younger of Oxford ) De Vere [1.1.3] b. Abt Dec 1335 d. Bef 23 Jun 1350
- + Elizabeth Courtenay d. Yes, date unknown
- + Elizabeth Courtenay d. Yes, date unknown
- 3 Margaret De Vere [1.1.4] d. 1398
- Henry 3rd Lord Beaumont b. 1340 d. 17 Jun 1369
- 4 Eleanor Beaumont [1.1.4.1] d. Yes, date unknown
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- 4 John 4th Lord Beaumont [1.1.4.2] b. 1361 d. 9 Sep 1396
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- 4 Eleanor Beaumont [1.1.4.1]
- 3 Robert De Vere [1.1.5] d. Yes, date unknown
- 3 Maud De Vere [1.1.6] d. Yes, date unknown
- 3 Elizabeth De Vere [1.1.7] d. Yes, date unknown
- + John Lord Mowbray d. Yes, date unknown
- + William (Sir) Cosynton d. Yes, date unknown
- Hugh Courtenay b. 22 Mar 1325-1326 d. Bef 2 Sep 1349
- 4 Hugh Lord Courtenay [1.1.7.1] d. 20 Feb 1372-1373
- 4 Hugh Lord Courtenay [1.1.7.1]
- + John Lord Mowbray d. Yes, date unknown
- 3 Thomas (8Th Earl of Oxford) De Vere [1.1.1]
- 2 Alice De Vere [1.2] d. Yes, date unknown
- 2 John (7Th Earl of Oxford) De Vere [1.1]