!Paramour of King Henry I; mother of Reginald FitzRoy or de Mortain, Earl of Cornwall, by Henry. [The Royal Descents of 500 Immigrants, p. 382, 403]
FOSTER, NEWLIN LINE
Sister of Alice; co-heir of Robert Corbet; m. William Botterill; mother of Reginald, earl of Cornwall, by Henry I. [Falaise Roll, p. 12]
Dau. of Robert Corbet; sister of Robert and Alice; ancestress to the Earls of Pembroke. [Burke's, p. 641]
Dau. of Robert Corbet; by Henry I, King of England, she was mother of Reynold deDunstanville and Robert de Caen; m. Herbert Fitz Herbert and was mother of Herbert. [GRS 3.03, Automated Archives, CD#100]
Sibyl/Adela/Lucy Corbet. [WFT]
Sibyl or Adela or Lucia Corbet -- liv. 1157; dau/coheir of Robert Corbet; mistress of Henry I and by him mother of Reginald Fitz Roy; lady of Alcester, co. Warwick, and of Pontesbury and Woodcote, co. Salop; m. Herbert Fitz Herbert and was mother of Herbert Fitz Herbert who m. Lucy of Hereford. [Ancestral Roots, Line 262-27, p. 238]
Name Prefix:<NPFX> Lady Alcester