Nielsen Hayden genealogy
Robert de Grey
- Bef 1295(
= Descendancy chart to this point, 
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- 1 Robert de Grey [1] d. Bef 27 May 1295
- Joan de Valoines d. Bef 12 Nov 1312
- 2 Thomas de Grey [1.1] d. Bef 27 May 1295
- Maud
- 3 Johane de Grey [1.1.1]
- Guy le Breton d. Aft 1346
- 4 Katherine Breton [1.1.1.1] d. 6 Jun 1342
[ =>]
- 4 Katherine Breton [1.1.1.1]
- 3 Johane de Grey [1.1.1]
- 2 John de Grey [1.2] b. Abt 1272 d. 17 Oct 1311
- Margaret de Odingsells b. Abt 1277 d. Aft 21 Apr 1330
- 3 Joan de Grey [1.2.1] d. Bef 1339
- John Ralegh d. Aft 24 Feb 1348
- 4 John Ralegh [1.2.1.1] b. Bef 1314 d. Bef 29 Sep 1348
[ =>]
- 4 John Ralegh [1.2.1.1]
- 3 John de Grey [1.2.2] b. 9 Oct 1300 d. 1 Sep 1359
- Avice Marmion d. Aft 20 Mar 1379
- 4 Maud de Grey [1.2.2.1] d. 1391
[ =>]
- 4 Robert de Grey [1.2.2.2] d. 19 Aug 1367
[ =>]
- 4 Maud de Grey [1.2.2.1]
- Katherine Fitz Alan b. Abt 1300 d. Bef 1340
- 4 John de Grey [1.2.2.3] b. Between 1319 and 1329 d. 4 Jun 1375
[ =>]
- 4 John de Grey [1.2.2.3]
- 3 Joan de Grey [1.2.1]
- 2 Thomas de Grey [1.1]