Complex sentence: Scottish Barons rank below Lords of Parliament, and although considered noble titles they are an incorporeal hereditament and at one time feudal barons did sit in parliament however they are considered minor barons and not peerage due to these titles can be hereditary, or bought and sold.
Split into simpler sentences: Scottish Barons rank below Lords of Parliament, and although considered noble, their titles are incorporeal hereditaments. At one time feudal barons did sit in parliament, however they are considered minor barons and not peers because their titles can be hereditary, or bought and sold.