Complex sentence: For the next century, the order was held in collateral branches of the family of the Dukes of Jülich and Berg until 1521, when the male lined holding the two duchies and the county of Ravensberg fell extinct.
Split into simpler sentences: For the next century, the order was held in collateral branches of the family of the Dukes of Jülich and Berg. In 1521, the male lined holding the two duchies, with the county of Ravensberg fell extinct.