Prothonotaries

antipope from 1378 to 1394

Italian jurist and diplomat (1190-1249)

A prothonotary is the "principal clerk of a court," from Late Latin prothonotarius (c. 400), from Greek protonotarios "first scribe," originally the chief of the college of recorders of the court of the Byzantine Empire, from Greek '' protos "first" + Latin notarius ("notary"); the h'' appeared in Medieval Latin. The title was awarded to certain high-ranking notaries, and was first recorded in the English language in 1447.

English biographer of his father-in-law, Sir Thomas More