Isabel Martin

Isabel, widow of Hugh PEVEREL, and granddaughter and coheiress of Ralph FITZWILLIAM, of Brompton Ralph and Withycombe, which Isabel held the manor of Brown in Treborough, a third of the original manor of Withycombe, and other lands. He died early in 1282, an inquisition after his death being taken 22 March 1281/2. [Complete Peerage VIII:533-5, (transcribed by Dave Utzinger)]

Note: It may be that Isabel was daughter, not granddaughter of Ralph FitzWilliam by Yolenta de Mohun. @@check ancestry SGM on Yolenta 2216

  Marriage Information:

Isabel, married Sir Hugh PEVERELL of Ermynton, son of Sir Hugh PEVERELL of Ermynton and Isabel DE BRYMETON, in 1st husband 2216,5170,8978. (Sir Hugh PEVERELL of Ermynton was born about 1223 in Ermington, Plympton St Mary, Devon, England and died before 1259 8978.)

  Marriage Information:

Isabel, also married Sir Nicholas MARTIN of Combe Martin, son of William MARTIN of Blagdon & Dartington and Avice DE TORITON, between 1259 and 1260 8978. (Sir Nicholas MARTIN of Combe Martin was born about 1210 in Dartington, Devon, England 8977 and died before 22 Mar 1281-1282 in Combe Martin, Barnstaple, Devon, England 8977.)

Spouses/Children: 1. Sir Hugh PEVERELL of Ermynton Sir Richard PEVERELL of Sandford+ Laura PEVERELL+ Amice PEVERELL+ Sir John PEVERELL+ 2. Sir Nicholas MARTIN of Combe Martin Robert MARTYN+ Avice MARTIN+

source: http://fabpedigree.com/s033/f007950.htm