The House of Radziwiłł is a prominent noble family from Lithuania with roots dating back to the 15th century. They played a significant role in the political and cultural life of the Grand Duchy of Lithuania and later the Polish-Lithuanian Commonwealth. The family produced many influential figures, including military leaders and politicians. Throughout history, the Radziwiłłs were known for their vast estates and patronage of the arts. They were also involved in various religious and political conflicts, often aligning with different factions. Their legacy continues to be recognized in Poland and Lithuania today.