Margaret Graham, Countess of Menteith

Margaret Graham, Countess of Menteith was a Scottish noblewoman. She married four times, becoming Countess of Menteith and, in 1361, Duchess of Albany. Her fourth and last husband was Robert Stewart, Duke of Albany, who became Regent of Scotland from 1406 until his death in 1420. Her son Murdoch Stewart became the second Duke of Albany, but was executed for treason by King James I of Scotland in 1425.

Margaret Graham was the only daughter of Sir John Graham and Mary II, Countess of Menteith. She was born in Perthshire, Scotland. Margarets grandfather served as secondincommand to Sir William Wallace, fighting alongside Wallace during the Scottish Wars of Independence. He was killed at the disastrous Battle of Falkirk onJuly 1298, when the Scottish army was routed by Edward I of England.

Source: Wikipedia