1. unk HAY has few details recorded about him.
unk HAY had the following children:
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2. George HAY, son of unk HAY, had the title 'Marquess of Tweeddale'.
3. Edward HAY of Newhall, co. Haddington, son of unk HAY, married Maria MURRAY.
He was afterwards called Edward Jay Mackenzie of Newhall and Cromarty. They had three daughters and an only son.
Maria MURRAY was the daughter of Admiral George MURRAY 6th Lord Elibank (1706-1785) and Isabella MCKENZIE ( -1801). She and Edward HAY had the following children:
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4. John Hay MACKENZIE of Newhall and Cromarty, son of Edward HAY of Newhall, co. Haddington and Maria MURRAY, married Annie GIBSON-CRAIG.
Annie GIBSON-CRAIG was the daughter of Sir James GIBSON-CRAIG Baronet ( - ). She and John Hay MACKENZIE had the following children:
| 5 | Anne MACKENZIE ( - ). Anne had the title 'Countess of Cromartie and Viscountess of Tarbat'. |