The House of Wassenaer is a noble family from the Netherlands, known for its historical significance and influence in Dutch society. The family originated in the 13th century and has played a prominent role in the political and social landscape of the region, particularly in Utrecht and Holland. Members of the House of Wassenaer have held various important positions, including military and governmental roles. The family is also associated with several estates and castles, contributing to its legacy and heritage in Dutch history.