Margaret Beauchamp

8. MARGARET de Beauchamp (-after 4 Aug 1369). The will of "Katherine Countess of Warwick", dated 4 Aug 1369, bequeathed property to “the Earl my husband...Thomas my son...William my other son...Maud de Clifford my daughter...Philippa de Stafford my daughter...my daughter Alice...Margaret Montfort my daughter...Isabel my daughter...Elizabeth the daughter of my son Guy...”[1508]. Nun at Shouldham, Norfolk. The will of "Thomas Beauchamp Earl of Warwick", dated 6 Sep 1369, chose burial “in the quire of the Collegiate Church of our Lady at Warwick”, bequeathed property to “my two sons Thomas and William...Isabel my daughter...to her marriage...Margaret my daughter a nun at Shouldham...Katherine the daughter of my son Guy a nun at Shouldham...my daughter Alice...my daughter Clifford...John Beauchamp...Roger Beauchamp...Guy de Brienne...”[1509]. m (Papal dispensation Jul 1347) GUY de Montfort, son of PIERS [III] de Montfort Lord Montfort & his wife [Margaret de Furnivalle] (-before 1370).
https://fmg.ac/Projects/MedLands/ENGLISH%20NOBILITY%20MEDIEVAL.htm

Margaret de Beauchamp; married first Guy de Montfort. This marriage was childless. After his death in 1361, she became a nun until 1369. Parents: Thomas Beauchamp, 11th Earl of WarwickHe married Katherine Mortimer, daughter of Roger Mortimer, 1st Earl of March. They had five sons and ten daughters. https://en.wikipedia.org/wiki/Thomas_Beauchamp,_11th_Earl_of_Warwick