PERSON@1 , ORGANIZATION@1 , p. NUMBER@1 -RRB- The reasons for the coronation of PERSON@2 , the involvement beforehand of the MISC@1 court , and the relationship to the Byzantine Empire are all matters of debate among historians .

The reasons for the coronation , the involvement beforehand of the MISC@1 court , and the relationship to the Byzantine Empire are all matters of debate among historians .
