Complex sentence: According to Byzantine historian Nicephorus Gregoras, Andronikos also had an illegitimate daughter, Irene Palaiologina of Trebizond, who married emperor Basil of Trebizond and took over the throne of the Empire of Trebizond from 1340 to 1341.
Split into simpler sentences: According to Byzantine historian Nicephorus Gregoras, Andronikos also had an illegitimate daughter, Irene Palaiologina of Trebizond. She married emperor Basil of Trebizond and took over the throne of the Empire of Trebizond from 1340 to 1341.