Complex sentence: There are 10,000 descendants, 6,780 of which reside in the jurisdictional area-members live both on the nation's tribal land in Oklahoma and in other states around the country including Kansas.
Split into simpler sentences: There are 10,000 descendants, 6,780 of which reside in the jurisdictional area. Members live both on the nation's tribal land in Oklahoma and in other states around the country, including Kansas.