Complex sentence: Raymond Gerhardt Hunthausen (born August 21,1921) is a retired American prelate of the Roman Catholic Church who served as Bishop of Helena from 1962 to 1975 and as Archbishop of Seattle from 1975 to 1991.
Split into simpler sentences: Raymond Gerhardt Hunthausen (born August 21,1921) is a retired American prelate of the Catholic Church. He served as Bishop of Helena from 1962 to 1975 and as Archbishop of Seattle from 1975 to 1991.