Simplify the following text for a Grade 7 native English-speaking person.
Original: Ralph Baines , the Bishop of Coventry and Lichfield was deprived of his bishopric ( 21 June , 1559 ) on the accession of Elizabeth I of England and committed to the imprisonment of Edmund Grindal , the Protestant Bishop of London .
Simplified: When Elizabeth I of England became queen in 1559 she removed Ralph Baines from the job of Bishop of Coventry and Lichfield . Baines was sent to be a prisoner of the Bishop of London .