Complex sentence: Following the first world war, he found refuge for those displaced by the conflict by leading them to the city of Ninevah (Mosul) and the northern Christian villages of Iraq, including Inkawa and Alqosh.
Split into simpler sentences: Following the first world war, he found refuge for those affected by the conflict. He led these displaced peoples by leading them to the city of Ninevah and northern christian villages in Iraq of Inkawa and Alqosh.