The Byzantine Emperor Constantine Porphyrogenitus (r. 913–959) states that the Hungarians "had never at any time had any other prince" before Árpád, which is in sharp contrast to the Hungarian chronicles' report of the position of Árpád's father. In Porphyrogenitus's narration, the Khazar khagan initiated the centralization of the command of the Hungarian tribes in order to strengthen his own suzerainty over them. The khagan initially wanted to appoint a chieftain named Levedi to lead the Hungarians. However, Levedi did not accept this offer and suggested that either Álmos or Árpád should be promoted instead of him. The khagan approached the Hungarians with this new proposal. They preferred Árpád to his father, because he was "greatly admired for wisdom and counsel and valour, and capable of this rule". Thereafter, Árpád was made "prince according to the custom ... of the Chazars, by lifting him upon a shield." Constantine Porphyrogenitus refers to Árpád as "the great prince of Tourkia" ().