Complex sentence: The district was home to Cree people of Treaty 4, Treaty 5 and Treaty 6 who lived on Indian reserves and a small band of Dene who lived in the northwest section around Cold Lake.
Split into simpler sentences: The district was home to Cree people of Treaty 4, Treaty 5 and Treaty 6 who lived on Indian reserves. A small band of Dene lived in the northwest section around Cold Lake.