Leslie Stephen,
Dictionary of National Biography…
(1900)
“ WRIOTHESLEY (formerly Writh) , Sir THOMAS (d. 1534) , Garter king-of-arms, born at Colatford, near Castlecomb in Wiltshire, was the second son of Sir John Wriothesley or Writh [q. v.] , by his first wife, Barbara, daughter and heir of John de Castlecomb or Januarius de Dunstanville, an alleged descendant from an illegitimate son of Henry I. The name Thomas was given him by his godfather, Thomas Holmes, Clarencieux herald. His elder brother, William Writh, was father of Thomas Wriothesley, first earl of Southampton [q. v.] ”
