Complex sentence: The family relocated to Chagrin Falls, Ohio in 1965 when Watterson was six years old because his mother, Kathryn, wanted to be closer to her family and felt the small town was a good place to raise children.
Split into simpler sentences: The family relocated to Chagrin Falls, Ohio in 1965, when Watterson was six years old. His mother, Kathryn, wanted to be closer to her family and felt the small town was a good place to raise children.