What is "ceolfrith"

Saint Ceolfrid (or Ceolfrith) (Pronounced "Chol-frid") (c. 642 – 716) was an Anglo-Saxon Christian abbot and saint. He is best known as the warden of Bede from the age of seven until his death in 716. He was the Abbot of Monkwearmouth-Jarrow Abbey, and a major contributor to the project Codex Amiatinus. He died in Burgundy while en route to deliver a copy of the codex to Pope Gregory II in Rome.