Complex sentence: Sir Ingelram Percy was confined in the Beauchamp Tower, where his name is to be seen cut in the stone; he was soon liberated, went abroad, and died about 1540.
Split into simpler sentences: Sir Ingelram Percy was confined in the Beauchamp Tower, where his name is to be seen cut in the stone. But he was soon liberated, went abroad, and died about 1540.