Complex sentence: The highway is named after Kancamagus (pronounced "Kank-ah-maw-gus"), "The Fearless One", who ruled as the third and final Sagamore of the Panacook Confederacy of Native American tribes in what is now southern New Hampshire.
Split into simpler sentences: The highway is named after Kancamagus the third and final Sagamore of the Panacook Confederacy of Native American tribes. Pronounced "Kank-ah-maw-gus", "The Fearless One" ruled what is now southern New Hampshire.