Complex sentence: While he was captain of "Hermione" he eventually provoked his men to mutiny, which became one of the bloodiest in the history of the Royal Navy, and left Pigot and nine other officers dead.
Split into simpler sentences: While he was captain of "Hermione" he eventually provoked his men to mutiny. The mutiny, which became one of the bloodiest in the history of the Royal Navy, left Pigot and nine other officers dead.