Died: 1301

Father: William de Braose, Lord of Abergavenny

Mother: Eva Marshal

Married to Roger de Mortimer, Lord of Wigmore (d 1282)

Child 1: Ralph de Mortimer (dsp 1274)

Child 2: Edmund de Mortimer, Lord Mortimer I (d 1304)

Edmund married Margaret de Fiennes and was the father of Roger Mortimer, 1st Earl of March.

Child 3: Margaret (d 1297) = Robert de Vere, Earl of Oxford

Child 4: Roger de Mortimer, of Chirk (d 1326)

Roger was one of six knights who was to guide Prince Edward, later to become King Edward II, in military matters. Soon after Edward became king, Roger was appointed as Justiciar of Wales. He married Lucia de Wafre.

Child 5: Geoffrey de Mortimer (dsp)

Child 6: William de Mortimer (dvp)

Child 7: Isabella (d before April 1292) =

1. John FitzAlan, Lord of Clun & Oswestry (d 18 Mar 1271/2)
2. Ralph d'Arderne, (d after Apr. 1283)
3. Robert de Hastang (or Robert Hastang), (d after April 1292)

Isabella was fined £1000 for omitting to obtain royal licence for her third marriage. (See CP vol 1, page 240)
(See post from Doug Richardson to soc.genealogy.medieval on 6th Sep. 2010 for evidence concerning Isabella's dates.)