Complex sentence: Agostino Casotti (actually most know with the Croatian name Augustin Kažotić) was born around 1260 in Trau into a noble Dalmatian family, the "Casotti", and entered the Dominican Order at a young age, either in Trogir, or in nearby Split.
Split into simpler sentences: Agostino Casotti (actually most know with the Croatian name Augustin Kažotić) was born around 1260 in Trau into a noble Dalmatian family, the "Casotti". He entered the Dominican Order at a young age, either in Trogir, or in nearby Split.