Simplify the following text for a Grade 5 native English-speaking person.
Original: In 2003 , the Seamus Heaney Centre for Poetry was opened at Queen 's University Belfast . It houses the Heaney Media Archive , a record of Heaney 's entire oeuvre , along with a full catalogue of his radio and television presentations .
Simplified: His parents were Patrick and Sarah Heaney , and Seamus was the first of nine children .