 Upon his father's death in 1321, the only hereditary title James succeeded to was that of Chief Butler Of Ireland.As the 7th Chief Butler, he inherited the title from his ancestor Theobald Fitzwalter, or Theobald Butler, whose successors adopted the surname Butler.The hereditary office of butler of Ireland was one of particular fealty to the Crown, whereby Theobald and his successors were to attend the Kings of England at their coronation.