Complex sentence: He fought in the disastrous campaign in the Netherlands at the end of the 16th century under Robert Dudley, 1st Earl of Leicester and was also with the earl at Tilbury in the army that protected London from the Spanish Armada in 1588.
Split into simpler sentences: He fought in the disastrous campaign in the Netherlands at the end of the 16th century under Robert Dudley, 1st Earl of Leicester. He was also with the earl at Tilbury in the army that protected London from the Spanish Armada in 1588.