Simplify the following text for a Grade 6 native English-speaking person.
Original: It is now held by Clement Attlee 's grandson John Richard Attlee , 3rd Earl Attlee . The third earl ( a member of the Conservative Party ) retained his seat in the Lords as one of the hereditary peers to remain under an amendment to Labour 's 1999 House of Lords Act .
Simplified: He was made a member of the House of Lords after he retired , and became the first Earl Attlee .