Reginald I
Reginald I de Mohun (1185–1213) (heir), who in 1205 married Alice Brewer, 4th sister and co-heiress of William Brewer, feudal baron of Horsley, Derbyshire and of Torr Brewer (later Tor Mohun, now Torquay, in Devon). She brought him a great estate, 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."