The House of Nassau-Weilburg is a branch of the larger House of Nassau, a European noble family. It originated in the 16th century and is known for its historical significance in the regions of Germany and Luxembourg. The family has produced several notable rulers and has played a role in various European dynastic alliances. Members of the House of Nassau-Weilburg have held titles such as Duke and Count, and they have governed territories like Weilburg and Nassau. The family is also linked to the House of Orange-Nassau, which has had a significant impact on the history of the Netherlands.