Hartvik (''Arduin'') was a prelate (most probably the

bishop of Győr A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...

) in the

Kingdom of Hungary The Kingdom of Hungary was a monarchy in Central Europe that existed for nearly a millennium, from the Middle Ages into the 20th century. The Principality of Hungary emerged as a Christian kingdom upon the coronation of the first king Stephen ...

under King Coloman the Book-lover. He wrote a new ''Life'' of St

Stephen I of Hungary Stephen I, also known as King Saint Stephen ( hu, Szent István király ; la, Sanctus Stephanus; sk, Štefan I. or Štefan Veľký; 975 – 15 August 1038), was the last Grand Prince of the Hungarians between 997 and 1000 or 1001, and the ...

based on the holy king's two earlier hagiographies.

References

* 11th-century Roman Catholic bishops in Hungary Bishops of Győr 11th-century Hungarian people {{Hungary-RC-bishop-stub