Sybil (Braose) de Port

Sybil (Braose) de Port (abt. 1149 - aft. 1228)

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Sybil de Port formerly Braose aka de Braose, de Ferrers
Born about in Bramber, Sussex, Englandmap
Ancestors ancestors
Wife of — married [date unknown] [location unknown]
Wife of — married about [location unknown]
Descendants descendants
Died after in Oakham Hall, Rutlandshire, England,map
Profile last modified | Created 18 Feb 2011
This page has been accessed 5,340 times.
British Aristocracy
Sybil (Braose) de Port was a member of aristocracy in the British Isles.
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Discuss: euroaristo

The Arms shown, "Gules a fess or", are the early Arms of Beauchamp.

Since no source is cited, I'm not sure how the association with Sybil de Broase or Ferrers came about. The Image page shows that these arms were uploaded by the profile itself ??

Uploaded: January 8, 2014 by Sybil de Ferrers. (no comment or source provided)


She was the daughter of William II de Braose and Bertha FitzMiles and wife of (1) William de Ferrers Earl of Derby and (2) Adam de Port

SIBYL (-after 5 Feb 1228). “Willielmus comes de Ferrariis” donated property to Tutbury Priory, for the soul of “uxoris meæ Sibillæ et liberorum meorum”, by charter which names “antecessores mei…Henricus de Ferrariis et Engenulphus et Robertus avus meus et Robertus comes pater meus”. “Robertus [mistake for Willielmus] comes de Ferrariis” donated property to Dore Abbey, for the souls of “Sibilla de Braosa, uxoris meæ matris W. filii mei et sua, et…Bertæ (fuit filia Milonis comitis Herefordiæ) matris uxoris meæ”, by undated charter. However, the Complete Peerage states that this charter is considered to be a fabrication, and that there is no other proof of the parentage of William´s wife.

Sybil m. firstly WILLIAM de Ferrers Earl of Derby, son of ROBERT de Ferrers Earl of Derby & his wife Margaret Peverel (-killed in battle Acre 1190 before 21 Oct).

She m. secondly, as his second wife, ADAM de Port, son of JOHN de Port & his wife Maud --- (1150/55-26 Jun/28 Jul 1213).

ADAM de Port m. secondly, as her second husband, SIBYL, widow of WILLIAM de Ferrers Earl of Derby, daughter of WILLIAM de Briouse Lord of Bramber & his wife Bertha of Hereford. A charter of John King of England relating to Briouse properties, dated 1212, recites the history of the king’s turbulent relationship with the family and includes a record that “Willielmus de Breosa...Matildis de Heya uxor sua et W. comes de Ferar. nepos suus et Adam de Porter qui sororem suam habuit in uxorem” petitioned the king (presumably in 1209/10). This source confirms the parentage of Adam’s second wife, but no source has yet been identified which confirms that her name was Sibyl and therefore that she was the same daughter of William de Briouse who had earlier married Earl William de Ferrers.

"That it may be known to you all why and for what William Braose," ... "; and then there came to us at Gloucester, Matilda of Hay his wife, and William Earl of Ferrers, his nephew, and Adam de Porter, who had married his sister," [1]


  1. "from Rymer, f. 143, A.D. 1212, 14 John" [1]
  • Medieval Lands - [2]
  • Frederick Lewis Weis, "Ancestral Roots of Certain American Colonists," 7th Ed.

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No known carriers of Sybil's mitochondrial DNA have taken an mtDNA test.

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Images: 2
Sybil de Braose Image 1
Sybil de Braose Image 1

Ferrers Pedigree (note errors, in comments)
Ferrers Pedigree (note errors, in comments)


On 1 Jul 2015 at 21:22 GMT Rev Daniel Washburn Jones wrote:

Braose-62 and Braose-15 appear to represent the same person because: same person, merge needed please ... based on children shown in Braose-15, her b. in abt. 1149 appears to be more correct ... based on the same info, it seems the m. to Ferrers should be adjusted to abt. 1161.

Sybil is 24 degrees from Jim Angelo, 22 degrees from Willis Carrier and 12 degrees from Henry VIII of England on our single family tree. Login to find your connection.

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