Berengaria Daughter of Alfonso IX King of León
- 1237(
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- 1 Berengaria Daughter of Alfonso IX King of León [1] d. 12 Apr 1237
- John 1 (King of Jerusalem) De Brienne d. 21 Mar 1236-1237
- 2 Alfons D'acre De Brienne [1.1] d. 25 Aug 1270
- Marie (Countess of Eu) De Lusignan d. Yes, date unknown
- 3 John (Count of Eu) De Brienne [1.1.1] d. 12 Jun 1294
- Beatrix De Chastillon
- 4 John (Count of Eu) De Brienne [1.1.1.1]
- 4 John (Count of Eu) De Brienne [1.1.1.1]
- 3 John (Count of Eu) De Brienne [1.1.1]
- 2 Louis of Acre Viscount Beaumont [1.2] d. Aft 1263
- Agnes De Beaumont d. Yes, date unknown
- 3 John Vicomte of Beaumont [1.2.1] d. 1306
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- 4 Robert Viscount De Beaumont [1.2.1.1] d. 28 Sep 1327
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- 4 Robert Viscount De Beaumont [1.2.1.1]
- 3 Louis Beaumont [1.2.2] d. Yes, date unknown
- 3 Henry (Earl Buchan) 1st Lord Beaumont [1.2.3] d. 10 Mar 1339-1340
- Alice Comyn d. 1349
- 4 John 2nd Lord Beaumont [1.2.3.1] d. 1342
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- 4 Richard Beaumont [1.2.3.2] d. Yes, date unknown
- 4 John Beaumont [1.2.3.3] d. Yes, date unknown
- 4 Thomas (of Bolton Percy) Beaumont [1.2.3.4] d. Yes, date unknown
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- 4 Alice (of Buchan) Beaumont [1.2.3.5] d. Yes, date unknown
- 4 Elizabeth (of Buchan) Beaumont [1.2.3.6] d. Yes, date unknown
- 4 Isabel (of Buchan) Beaumont [1.2.3.7] d. Yes, date unknown
- 4 Beatrice (of Buchan) Beaumont [1.2.3.8] d. Yes, date unknown
- 4 Catherine (of Buchan) De Beaumont [1.2.3.9] d. 11 Nov 1368
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- 4 Joan (of Buchan) De Beaumont [1.2.3.10] d. Yes, date unknown
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- 4 John 2nd Lord Beaumont [1.2.3.1]
- 3 Margaret Beaumont [1.2.4] d. Yes, date unknown
- 3 Jeanne Beaumont [1.2.5] d. Yes, date unknown
- 3 Mary Beaumont [1.2.6] d. Yes, date unknown
- 3 Isabel Beaumont [1.2.7] d. Yes, date unknown
- 3 John Vicomte of Beaumont [1.2.1]
- 2 Marie De Brienne [1.3] d. Aft 5 May 1275
- Baldwin Ii(Emperoro Constantinople) De Courtenay b. 1218 d. 1273
- 3 Philippe I (Emperor Oconstaninople) De Courtenay [1.3.1] d. 1283
- Beatrix of Naples b. 1252 d. 1275
- 4 Catherine I De Courtenay [1.3.1.1] b. 1274 d. 1 Feb 1307-1308
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- 4 Catherine I De Courtenay [1.3.1.1]
- 3 Philippe I (Emperor Oconstaninople) De Courtenay [1.3.1]
- 2 Alfons D'acre De Brienne [1.1]