Simplify the following text for a Grade 5 native English-speaking person.
Original: After Henry VIII died , Catherine Parr married Thomas Seymour , 1st Baron Seymour of Sudeley . Catherine died not long after the birth of her only child , Mary Seymour , in late 1548 , leaving the young Jane once again bereft of a maternal figure .
Simplified: In 1548 , Jane was sent to Chelsea to be with Catherine Parr and Thomas Seymour .