Complex sentence: Weetamoo drowned in the Taunton River trying to escape, and her dead body was mutilated and her head was displayed on a pole by the English, amidst much weeping by her warriors.
Split into simpler sentences: Weetamoo drowned in the Taunton River trying to escape. Her dead body was mutilated, and her head was displayed on a pole by the English, amidst much weeping by her warriors.