Conversation so far:
What types of hereditary peers existed?
Types of hereditary peers included the Labour hereditary peers, the Conservative hereditary peers, the Liberal Democrat hereditary peers, and the crossbench hereditary peers.
What is the definition of Conservative hereditary peer?
Conservative hereditary peer is a hereditary peer belonging to the Conservative Party, a centre-right political party in the United Kingdom.
What is the role of a hereditary peer?
Each peer who has established his or her right to attend Parliament is issued a writ of summons to sit and vote in Parliament.
Did hereditary peers have any other roles besides having the right to sit and vote in Parliament?
Are there any other interesting aspects about the hereditary peer article?
In 1999, the House of Lords Act abolished the automatic right of hereditary peers to sit in the House of Lords. Only 92 may sit in the House of Lords.
Was that a reference to the House of Lords?
In 1999, the House of Lords Act abolished the automatic right of hereditary peers to sit in the House of Lords. Only 92 may sit in the House of Lords.

Question: Is there any additional information about the peer roles in the House of Lords?
Self-contained rewrite: Is there any additional information about the peer roles in the House of Lords besides the 1999 abolishment of the automatic right of heredity peers to sit in the House of Lords?