Complex sentence: Not long after his birth the family moved to Llwyn Celyn, Llanberis; his father died soon afterwards, and when he had been a twelve month at school he was forced to seek employment as a farm hand.
Split into simpler sentences: Not long after his birth the family moved to Llwyn Celyn, Llanberis. His father died soon afterwards, and when he had been at school for only a year, he was forced to seek employment as a farm hand.