Complex sentence: Huntsman's eldest son, Jon Huntsman, Jr., also served as a Huntsman Corporation executive and later was elected governor of Utah in 2004, this son later became ambassador to China, and was a candidate in the Republican Party presidential primaries in 2012.
Split into simpler sentences: Huntsman's eldest son, Jon Huntsman, Jr., also served as a Huntsman Corporation executive. He was elected governor of Utah in 2004, later became ambassador to China, and was a candidate in the Republican Party presidential primaries in 2012.