
1st Baron Grey of Rotherfield John De Grey

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- 1 1st Baron Grey of Rotherfield John De Grey [1] b. 1277 d. 17 Oct 1311
Margaret Oddingseles b. Abt 1277 d. Aft 21 Apr 1330
- 2 2nd Baron Grey de Rotherfield John De Grey [1.1]
b. 9 Oct 1300 d. 1 Sep 1359
Avice Marmion b. 1309 d. 23 Jan 1387
- 3 Robert de Grey [1.1.1]
b. 1343 d. Yes, date unknown
Lora St Quintin b. Abt 1342 d. 1369
- 4 Lady Elizabeth Grey [1.1.1.1]
b. Abt 1365 d. 14 Dec 1427 [ =>]
- 4 Lady Elizabeth Grey [1.1.1.1]
- 3 Maud Matilda Grey [1.1.2]
b. Abt 1347 d. 30 Jan 1394
Thomas De Harcourt b. Abt 1330 d. 12 Apr 1417
- 4 Thomas Harcourt [1.1.2.1]
b. 13 Aug 1377 d. 6 Jul 1420 [ =>]
- 4 Thomas Harcourt [1.1.2.1]
- 3 Robert de Grey [1.1.1]
- 2 2nd Baron Grey de Rotherfield John De Grey [1.1]