Answer the following question: What type of details about tomislav of croatia  can be gathered from the following bio?  Bio: tomislav -lrb- , -rrb- was a ruler of croatia in the middle ages . he reigned from around 910 until 928 , first as a duke -lrb- -rrb- of the duchy of croatia , and then became the first king -lrb- `` rex croatorum '' -rrb- of the croatian kingdom by the year 925 . at the time of his rule croatia forged an alliance with the byzantines during their struggle with the bulgarian empire , with whom croatia eventually went to war that culminated in the decisive battle of the bosnian highlands in 926 . to the north there were often conflicts with the principality of hungary , croatia managed to keep its borders and to some extent expand on the disintegrated duchy of pannonia . tomislav attended the church council of split in 925 , convened by pope john x to discuss the use of slavic language in liturgy and the ecclesiastical jurisdiction over croatia and the byzantine theme of dalmatia . although the pope sought to prohibit slavic liturgy , the council did not share his view , while jurisdiction was given to the archbishop of split instead of the croatian bishop gregory of nin . since the historical sources about tomislav are scarce , the exact year of his accession and his death are not known . the rule of his successors was marked by a series of civil wars in croatia and gradual weakening of the country .
Answer:
- succession - reign - successor - predecessor - house - father - name - image - religion