The Parochial History of Cornwall…
“ Her only daughter by Bonville brought Trelawn, and other estates, to Thomas Grey, Marquis of Dorset. On the attainder of his grandson Henry Duke of Suffolk, they were seized by the Crown. Queen Elizabeth, in the 42d year of her reign, sold the manor of Trelawn and the lands of Hendersich and Portello, in Talland prrish, to Sir Jonathan Trelawny. The old and famous family of Trelawny take their name from the barton of Trelawny, in the parish of Alternun. The arms of this 295 family are Argent, a chevron Sable, sometimes charged with three oak-leaves Proper. ”
