Complex sentence: After 1569 no more countships were made into peers, and peerage was exclusively given to duchies ("duc et pair "); occasionally the Parlement refused to register the"lettres patentes" conferring peerage on them.
Split into simpler sentences: After 1569 no more countships were made into peers, and peerage was exclusively given to duchies ("duc et pair "). Occasionally the Parlement refused to register the"lettres of patent" conferring peerage on them.