Complex sentence: When the armies of William were approaching London, Jeffreys finally attempted to flee the country, following the King abroad, but was captured in a small pub in Wapping, now named The Town of Ramsgate.
Split into simpler sentences: When the armies of William were approaching London, Jeffreys attempted to flee the country and follow the King abroad. He was captured in a public house in Wapping, now named The Town of Ramsgate.