Roger (2nd Earl of Warwick) De Beaumont
Abt 1101 - 1153 (52 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Roger (2nd Earl of Warwick) De Beaumont [1] b. Abt 1101 d. 1153
- Gundred De Warrenne d. 1166
- 2 Waleran (4th Earl of Warwick) De Beaumont [1.1] d. 24 Dec 1203
- Margery De Bohun d. Yes, date unknown
- 3 Henry (5th Earl of Warwick) De Newburgh [1.1.1] d. 10 Oct 1229
- Margery De Oilly d. Yes, date unknown
- 4 Thomas (6th Earl of Warwick) De Newburgh [1.1.1.1] b. Bef 1201 d. 26 Jun 1242
- 4 Margery (Countess of Warwick) De Newburgh [1.1.1.2] d. Yes, date unknown
- 4 Thomas (6th Earl of Warwick) De Newburgh [1.1.1.1]
- 3 Henry (5th Earl of Warwick) De Newburgh [1.1.1]
- Alice De Harcourt d. Aft Sep 1212
- 3 Alice De Beaumont [1.1.2] d. Bef 1263
- William Mauduit b. Abt 1220 d. Yes, date unknown
- 4 William (8Th Earl of Warwick) Mauduit [1.1.2.1] b. Abt 1220 d. Yes, date unknown
- 4 Isabel Mauduit [1.1.2.2] d. Bef 1268
[ =>]
- 4 William (8Th Earl of Warwick) Mauduit [1.1.2.1]
- 3 Alice De Beaumont [1.1.2]
- 2 William (3rd Earl of Warwick) De Newburgh [1.2] d. Yes, date unknown
- 2 Henry De Newburgh [1.3] d. Yes, date unknown
- 2 Agnes De Newburgh [1.4] d. Yes, date unknown
- 2 Margaret De Newburgh [1.5] d. Yes, date unknown
- 2 Gunherd De Newburgh [1.6] d. Yes, date unknown
- 2 Waleran (4th Earl of Warwick) De Beaumont [1.1]