Complex sentence: One of the cadet branches of the family gave rise to the great Croatian family of the Frankopan.An other branch lived in Sicilia where Eraclea Frangipane married Luca Polara.
Split into simpler sentences: One of the cadet branches of the family gave rise to the great Croatian family of the Frankopan. Another branch lived in Sicilia where Eraclea Frangipane married Luca Polara.