Sir Ingram de Umfraville was a Scottish noble who played a particularly chequered role in the Wars of Scottish Independence

Wars of Scottish Independence

The Wars of Scottish Independence were a series of military campaigns fought between the independent Kingdom of Scotland and the Kingdom of England in the late 13th and early 14th centuries....

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In 1284 he joined with other Scottish noblemen who acknowledged Margaret of Norway as the heir of Alexander.

He was Guardian of Scotland

Guardian of Scotland

The Guardians of Scotland were the de facto heads of state of Scotland during the First Interregnum of 1290–1292, and the Second Interregnum of 1296–1306...

 for a short time, fought on the English side at the Battle of Bannockburn

Battle of Bannockburn

The Battle of Bannockburn was a significant Scottish victory in the Wars of Scottish Independence...

, became reconciled to King Robert I of Scotland

Robert I of Scotland

Robert I , popularly known as Robert the Bruce , was King of Scots from March 25, 1306, until his death in 1329.His paternal ancestors were of Scoto-Norman heritage , and...

, but eventually headed back to England.

Sources

• Rymer, Thomas
  Thomas Rymer
  Thomas Rymer , English historiographer royal, was the younger son of Ralph Rymer, lord of the manor of Brafferton in Yorkshire, described by Clarendon as possessed of a good estate, who was executed for his share in the Presbyterian rising of 1663.-Early life and education:Thomas Rymer was born at...
  
  ,Foedera Conventiones, Literae et cuiuscunque generis Acta Publica inter Reges Angliae. London. 1745. (Latin) http://www.archive.org/details/fderaconventione01ryme