Facts and Events
- Cokayne, George Edward, and Vicary Gibbs; et al. The complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct, or dormant [2nd ed.]. (London: St. Catherine Press, 1910-59).
- ↑ Sybilla Corbet, in Lundy, Darryl. The Peerage: A genealogical survey of the peerage of Britain as well as the royal families of Europe.
- ↑ 3.0 3.1 3.2 SIBYL Corbet ([1090/95]-after 1157), in Cawley, Charles. Medieval Lands: A prosopography of medieval European noble and royal families.
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