Simplify the following text for a Grade 4 native English-speaking person.
Original: Honoured for his services at William 's coronation with the earldom of Marlborough , he served with further distinction in the early years of the Nine Years ' War , but persistent charges of Jacobitism brought about his fall from office and temporary imprisonment in the Tower .
Simplified: He served in the early years of the Nine Years ' War and became famous . However , charges of Jacobitism made him fall from office .