- Born: Bef 990, Northumbria
- Marriage (1): Kilvert 1476,1477
- Marriage (2): Uchtred "the Bold" Earl of Northumberland 1476,1477
According to the Yorkshire Archeological Journal, Vol. XIX, p. 55, Uctred's first wife, Egfrida, was the mother of Eadulf, Gospatric and Aldred. Egrida married, as her second husband, Kilvert, a Yorkshire thane and son of Ligulf.
According to The Bishops of Lindisfarne, Hexham, Chester-le-Street, and Durham, A.D. 635-1020, p. 254, after Uctred repudiated Egfrida, "Egfrida then " married " a Yorkshire Thane named Kilvert, who also repudiated her and sent her back to her father. She afterwards took the veil." 1476
Noted events in her life were:
• Background Information. 1477
Carlton was one of the vills given by Bishop Aldhun with his daughter Egfrida to Uctred son of Earl Waltheof. Uctred afterwards repudiated her, and she married a Yorkshire thegn, Kilvert son of Ligulf, by whom she had a daughter Sigrid. She was again repudiated, and became a nun. Sigrid married Arkil, who, after her death, restored Carlton to the bishopric [Simeon of Dur. Opera (Rolls Ser.), i, 215\endash 20].
~A History of the County of Durham, Volume III, pp. 315-321
Egfrida married Kilvert, son of Ligulf and Unknown 1476.,1477 (Kilvert was born in Northumbria.)
Egfrida next married Uchtred "the Bold" Earl of Northumberland, son of Waltheof Earl of Northumberland and Unknown 1476.,1477 (Uchtred "the Bold" Earl of Northumberland was born in 989 and died in 1016 in Wighall near York, England 160.)