What type of details about hranislav can be gathered from the following bio? Bio: hranislav -lrb- ; medieval greek : , '' chranisthlavos '' -rrb- -lrb- fl . 1278 -- 1304 -rrb- was a bulgarian military commander who was a close associate of rebel leader and later tsar ivaylo -lrb- r. 1277 -- 1280 -rrb- . after being captured by the byzantines , hranislav entered the service of andronikos ii palaiologos -lrb- r. 1282 -- 1328 -rrb- as his '' megas tzaousios '' . as a byzantine officer , he commanded a detachment which assisted the catalan company in the anti-turkish wars in asia minor .
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