SOURCE-21259Research NeededProbable
Symeon (or Simeon) of Durham, "The Church Historians of England "Historia Regum"...
Full citation
Symeon (or Simeon) of Durham, "The Church Historians of England "Historia Regum" Volume III, Part II Joseph Stevenson, Editor (R. Clay, London. 1855); Digital Image: [5] Page 535.