The House of Hohenzollern-Sigmaringen is a branch of the Hohenzollern dynasty, which originated in Germany. This noble family played a significant role in European history, particularly in the regions of Prussia and Bavaria. The Sigmaringen branch emerged in the 17th century and became prominent in the Kingdom of Romania during the 19th century. Members of the Hohenzollern-Sigmaringen family held various titles and positions, including princes and kings. Notably, Carol I of Romania was a member of this house, serving as the first king of modern Romania. The family's legacy continues to influence European nobility today.