Oswald Barron, 1911 Encyclopædia Britannica, Volume 13… (1911)
“ He was constable and porter of Abergavenny Castle, and his son William, “a mad fighting fellow” in his youth, married a sister of Catherine Parr and thus in 1543 became nearly allied to the king, who made him one of the executors of his will. The earldom of Pembroke was revived for him in 1551. It is worthy of note that all traces of illegitimacy have long since been removed from the arms of the noble descendants of Richard Herbert. ”
