peerage

noun

1. the body of peers of a country or state.
2. the rank or dignity of a peer.
3. a book listing the peers and giving their genealogies.

noun

1. the whole body of peers; aristocracy
2. the position, rank, or title of a peer
3. (esp in the British Isles) a book listing the peers and giving genealogical and other information about them

n.mid-15c., “peers collectively,” from peer (n.) + -age. Probably on model of Old French parage.