Complex sentence: Born in Deri, Julian Cope spent his early childhood in Bargoed, adjacent to Aberfan, and he has cited the Aberfan disaster of 1966 as a key event of his childhood.
Split into simpler sentences: Born in Deri, Julian Cope spent his early life in Wales. Part of his childhood was spent in the town of Bargoed, adjacent to Aberfan, and he has cited the Aberfan disaster of 1966 as a key event of his childhood.