HOUSTON, John of that Ilk, Sir ²

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John married Elizabeth SINCLAIR, daughter of William SINCLAIR 3rd Earl of Orkney, Earl of Caithness, 2nd Lord Sinclair and Marjory SUTHERLAND, by 3 March 1471(legal action).¹ (Elizabeth SINCLAIR was born about 1455.)

  Marriage Notes:

"He (Sir John de Houston) m. by 3 March 1471, to Elizabeth, daughter of William Sinclair, Earl of Caithness, when they raised an action against Alexander Allardive of Skathway for intromission with their lands of Halcaiss"

from The Red Book of Scotland




"10. Elisabeth (Sinclair), married to the Laird of Houston."

from Scots Peerage (vol 2) ^{1 3}