Complex sentence: Jay R. Morago Jr. (June 17,1917--May 14,2008) was a Native American activist who served as the first Governor of the Gila River Indian Community and helped to draft the reservation's first constitution in 1960.
Split into simpler sentences: Jay R. Morago Jr. (June 17,1917--May 14,2008) was a Native American activist of the Gila River Indian Community and was elected as their first Governor. He helped to draft the reservation's first constitution in 1960.