Beatrice de Mortimer was the daughter of Roger de Mortimer, 1st Earl of March and Joan de Geneville, Baroness Geneville.2 She married, firstly, Edward of Brotherton, son of Thomas of Brotherton, Earl of Norfolk and Alice Hayles, circa May 1328.2 She married, secondly, Sir Thomas de Brewose, 1st Lord Brewose, son of Sir Piers de Brewose and Agnes (?), before 13 September 1337.1 She died on 16 October 1383.3 From before 13 September 1337, her married name became de Brewose.

Children of Beatrice de Mortimer and Sir Thomas de Brewose, 1st Lord Brewose

1. Beatrice de Braose+2
2. Elizabeth de Braose3
3. Joan de Braose3
4. Peter de Braose3 b. a 1334
5. Sir John de Brewose3 b. c 1339, d. 3 Feb 1366/67
6. Sir Thomas de Brewose+3 b. c 1352, d. 2 Sep 1395

Sources

1. Douglas Richardson, Magna Carta Ancestry, 2nd Edition, Vol. III, p. 506.

Links

• http://www.thepeerage.com/p10697.htm#i106961
• http://www.thepeerage.com/p10697.htm
• http://en.wikipedia.org/wiki/Roger_Mortimer,_1st_Earl_of_March