!SOURCE: Rev. Dr. Donald MacKinnon, THE MACLEODS: THE GENEALOGY OF A
CLAN, Section III, "Cadet Families", Edinburgh, The Clan MacLeod Society,
1970, p. 135. Third son of Lord William Hay of Newhall, [Lord William
Hay of Newhall was third son of John, 2nd Marquess of Tweeddale, by
Lady Anne Maitland, only daughter of John, Duke of Lauderdale (Burke:
GENEALOGICAL AND HERALDIC DICTIONARY OF THE LANDED GENTRY, 1850,
I, p. 552.)] Haddington, East Lothian, with issue. Richard Hay, on
succeeding to the estate of Newton, under a Disposition and Deed of
Entail by Sir Richard Newton of Newton, Baronet, in his favour, took the
name and arms of Newton.