- Born: Brereton Hall, Brereton, Cheshire, England
- Marriage: William de Booth 288,535,727,842
- Died: Cir 1275, England
~A General and Heraldic Dictionary of The Peerages of England, Ireland and Scotland, Extinct, Dormant and in Abeyance, p. 67, William, son of Adam, living 1275, m. Sibel, daughter of Sir Ralph de Bereton, Knight, and was succeeded by their son Thomas de Booths.
Noted events in her life were:
• Background Information. 288
William de Boothes, son of Adam de Boothes, married Sybil, daughter of Gilbert or Ralph, the younger brother of William de Brereton, with whom he had the Lands of Withenshaw. The Breretons were and ancient family dwelling at Brereton of the county palatine of Chester.
~The Booth Genealogy, p. 6
Sibil married William de Booth, son of Adam de Booth and Unknown 288,535,727.,842 (William de Booth was born in Booth, Cheshire, England and died after 1275 in Lancashire, England 355.)