Complex sentence: A younger Gratian-mentioned alongside the imperial children by Ambrose-has at times been suggested as a third son; however, Gregory of Nyssa reports the existence of only three imperial children and other sources do not mention Gratian.
Split into simpler sentences: A younger Gratian-mentioned alongside the imperial children by Ambrose-has at times been suggested as a third son. However, Gregory of Nyssa reports the existence of only three imperial children and other sources do not mention Gratian.