Patrick V, Earl of March

Patrick de Dunbar, 9th Earl of March, (c. 1285–1369) was a prominent Scottish magnate during the reigns of Robert the Bruce and David II.

The earldom, located in East Lothian, and known interchangeably by the names Dunbar and March (so-called Northumbrian or Scottish March), was one of the successor fiefs of Northumbria, an Anglo-Saxon Kingdom and later Earldom. The Dunbar family descended from one branch of ancient Earls of Northumbria, specifically from a branch which also had Scottish royal blood.

He is said to have been aged 24 in 1309 at the death of his father, Patrick, 8th Earl of March, who had been one of the Competitors for the Crown of Scotland in 1291. His wife, Marjory, daughter of Alexander Comyn, Earl of Buchan was also descended from King Donald III.

After the Battle of Bannockburn, Patrick de Dunbar gave sanctuary and quarter to the English King Edward II at the fortress of Dunbar Castle, on the east coast of Scotland between Edinburgh and Berwick-upon-Tweed, and managed to effect the king's escape by means of a fishing boat whereby that monarch was transported back to England. The earl afterwards made his peace with his cousin Robert the Bruce, and was present at the parliament held at Ayr on 26 April 1315, when the succession to the Crown of Scotland was settled.

In 1318 he assisted in retaking Berwick-upon-Tweed from the English, at which time he is noted as Sheriff of Lothian. In 1320 he was one of those nobles who signed the Letter to the Pope asserting the independence of Scotland.

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