Patrick Lyon, 1st Lord Glamis (1402 -21 March 1459) P.C., a Scottish nobleman, created Lord Glamis on 28 June 1445. He was son of John Lyon, 1st Master of Glamis, and Elizabeth Graham, daughter of Sir Patrick Graham of Dundaff and Kincardine, and of Euphemia Stewart, Countess of Strathearn

Euphemia Stewart, Countess of Strathearn

Euphemia Stewart was a medieval Scottish noblewoman, the daughter of David Stewart, Earl Palatine of Strathearn and Caithness. She succeeded to both her father's titles after his death between 1385 and 1389, probably March 1386....

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He was hostage in England for King James I

James I of Scotland

James I, King of Scots , was the son of Robert III and Annabella Drummond. He was probably born in late July 1394 in Dunfermline as youngest of three sons...

 from 1424 until 9 November 1427 when he was exchanged for another hostage.

He was one of the Lords Auditors (1450–1451) and Master of the Kings Household (1450–1452) to King James II

James II of Scotland

James II reigned as King of Scots from 1437 to his death.He was the son of James I, King of Scots, and Joan Beaufort...

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He was Ambassador to England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 (1451) and again (1455). He was Keeper of the Castles of Kildrummy

Kildrummy Castle

Kildrummy Castle is a ruined castle near Kildrummy, in Aberdeenshire, Scotland, United Kingdom. Though ruined, it is one of the most extensive castles of 13th century date to survive in eastern Scotland, and was the seat of the Earls of Mar....

, Kindrocht and Balveny (1456–1459).

Late in 1427 or soon thereafter he married Isabel, daughter of Sir Walter Ogilvie of Lintrethan, Treasurer of Scotland

Treasurer of Scotland

The Treasurer was a senior post in the pre-Union government of Scotland, the Privy Council of Scotland.The full title of the post was Lord High Treasurer, Comptroller, Collector-General and Treasurer of the New Augmentation, formed as it was from the amalgamation of four earlier offices...

. They had at least four children:

• Alexander Lyon, 2nd Lord Glamis
• John Lyon, 3rd Lord Glamis - ancestor of Queen Elizabeth the Queen Mother, (Lady Elizabeth Bowes-Lyon)
• William of Peetanya
• Elizabeth, the wife of Alexander Robertson of Strowane