Matilda of Angus was the daughter of Maol Choluim

Maol Choluim, Earl of Angus

Máel Coluim, Earl of Angus, ruled roughly 1214–1240, was mormaer of Angus, and the last of his family in the male line with title over that province.He married Mary, daughter and heiress of Humphrey de Berkeley...

, Earl

Earl of Angus

The Mormaer or Earl of Angus was the ruler of the medieval Scottish province of Angus. The title, in the Peerage of Scotland, is currently held by the Duke of Hamilton.-Mormaers:...

 or Mormaer of Angus and as his heiress was countess of the province

Province

A province is a territorial unit, almost always an administrative division, within a country or state.-Etymology:The English word "province" is attested since about 1330 and derives from the 13th-century Old French "province," which itself comes from the Latin word "provincia," which referred to...

 in her own right.

She was first married to John Comyn, but his early death in France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 in 1242 meant that a new husband was needed to control the dispersed Earldom. The man selected was Gilbert de Umfraville, a Norman, who was feudal Baron of Prudhoe

Prudhoe

Prudhoe is a medium sized town just south of the River Tyne, in the southern part of the county of Northumberland, England about west of the city of Newcastle upon Tyne. The town is sited on a steep, north-facing hill in the Tyne valley and nearby settlements include Ovingham, Ovington, Wylam,...

 in Northumberland

Northumberland

Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

. He too died shortly before March 13, 1245, but not before Matilda had borne him a son to succeed to the Earldom.

Matilda married thirdly, before December 22, 1247, a grandson of King John of England

John of England

John , also known as John Lackland , was King of England from 6 April 1199 until his death...

, Richard de Dover, feudal baron of Chilham

Chilham

Chilham is a parish in the English county of Kent. Visited by tourists worldwide, it is known for its beauty. Chilham has been a location for a number of films and television dramas...

, Kent

Kent

Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

, son of Richard Fitz Roy

Richard Fitz Roy

Richard FitzRoy was feudal Baron of Chilham, Kent, and the illegitimate son of King John of England. His mother, John's cousin, was Adela, a daughter of Hamelin de Warenne and Isabel de Warenne, 4th Countess of Surrey....

, to whom she had one son, Richard, and one daughter Isabel, who married David I Strathbogie, Earl of Atholl

David I Strathbogie, Earl of Atholl

David I Strathbogie was the first of the Strathbogie Earls of Atholl.David was the son of John de Strathbogie and Ada, suo jure Countess of Atholl....

. Matilda (called Maud in English records) thereafter disappears from records, and her son Gilbert de Umfraville, 1st Earl of Angus

Gilbert de Umfraville, 1st Earl of Angus

Gilbert de Umfraville, Earl of Angus was the first of the Anglo-French de Umfraville line to rule the Earldom of Angus in his own right....

, succeeded her in his infancy.