William de Brus (

fl. ''Floruit'' (; abbreviated fl. or occasionally flor.; from Latin for "they flourished") denotes a date or period during which a person was known to have been alive or active. In English, the unabbreviated word may also be used as a noun indicatin ...

1294), was an Anglo-Scottish knight. He was a younger son of

Robert de Brus, 5th Lord of Annandale Robert V de Brus (Robert de Brus), 5th Lord of Annandale (ca. 1215 – 31 March or 3 May 1295), was a feudal lord, justice and constable of Scotland and England, a regent of Scotland, and a competitor for the Scottish throne in 1290/92 in the G ...

and

Isabella de Clare Isabella de Clare (2 November 1226 – 10 July 1264) was the daughter of Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester and Isabel Marshal. She is also known as ''Isabel de Clare'', but this is however, the name of many women ...

. He held the manor of Caldecote in mesne lordship and a fee of Great Catworth, both in

Huntingdonshire Huntingdonshire (; abbreviated Hunts) is a non-metropolitan district of Cambridgeshire and a historic county of England. The district council is based in Huntingdon. Other towns include St Ives, Godmanchester, St Neots and Ramsey. The popul ...

, whom he held them of his father.'Parishes: Caldecote', in A History of the County of Huntingdon: Volume 3, ed. William Page, Granville Proby and S Inskip Ladds (London, 1936), pp. 136-139. British History Online.
/ref> William was summoned to provide military service in Scotland in 1295. He is said to have married Elizabeth, daughter of Raymond de Sully. They did not have any issue. Elizabeth married secondly William de Braose.

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References

* * {{DEFAULTSORT:Brus, William (fl.1294) Year of birth unknown Year of death unknown 13th-century Scottish people