Complex sentence: Enraged, she convinced her husband to have Branislav's imprisoned brother and son beheaded before the city walls; church authorities eventually mediated piece, but Branislav's exiled family continued to seek revenge.
Split into simpler sentences: Enraged, she convinced her husband to have Branislav's imprisoned brother and son beheaded before the city walls. Church authorities eventually mediated piece, but Branislav's exiled family continued to seek revenge.