Complex sentence: Harrington was born in Newbridge, Caerphilly, Wales, but his grandfather moved with his family to Aldershot, Hampshire, where his father was serving in the British Army as a paratrooper.
Split into simpler sentences: Harrington was born in Newbridge, Caerphilly, Wales. His grandfather moved with his family to Aldershot, Hampshire, where his father was serving in the British Army as a paratrooper.