[1] His only surviving son died without progeny, when his eventual heirs became his daughters, the fourth of whom, Alice Brewer, sister and co-heiress of William Brewer, feudal baron of Horsley, Derbyshire,[2] in 1205 married (as her first husband) Reginald I de Mohun (1185–1213)[3][4] feudal baron of Dunster, of Dunster Castle in Somerset.
Alice Brewer brought to her husband a great estate, including Tor Brewer (later renamed Tor Mohun, the site of the modern town of Torquay), and "is set down among the benefactors to the new Cathedral Church of Salisbury, having contributed thereto all the marble necessary for the building thereof for twelve years.
[6] Reginald II de Mohun bequeathed his manor and hundred of Axminster[7] to Newnham Abbey.
[10] The Latin foundation charter included the following words:[11] The Abbey suffered greatly at the time of the Black Death in 1349, losing almost all its monks.
[7] The Abbey was already in ruins at the time of the visit by Rev John Swete in 1795, as part of his "Picturesque Tours" and he made two watercolour paintings of the buildings which survive in the Devon Record Office.