Complex sentence: William, was freed from being a prisoner in 1135, when King Henry I died and Stephen became King, he died in 1140, at his sons house in the village of Burgh Castle, Norfolk, East Anglia, Kingdom of England.
Split into simpler sentences: William, was freed from being a prisoner in 1135, when King Henry I died and Stephen became King. He died in 1140, at his sons house in the village of Burgh Castle, Norfolk, East Anglia, Kingdom of England.