Complex sentence: His son John Barden Shadegg managed Arizona political campaigns as had his father, served as a U.S. Representative from Arizona from 1995 to 2011, and then joined the staff of the Goldwater Institute in Phoenix.
Split into simpler sentences: His son John Barden Shadegg managed Arizona political campaigns as had his father and served as a U.S. Representative from Arizona from 1995 to 2011. Long after Shadegg's death, the Shadegg-Goldwater connection continued, when former Representative John Shadegg joined the staff of the Goldwater Institute in Phoenix.