The House of Mecklenburg-Schwerin is a German noble family that originated in the region of Mecklenburg. Established in the 12th century, it played a significant role in the history of northern Germany, particularly in the Duchy of Mecklenburg-Schwerin. The family produced several dukes and princes who contributed to the political landscape of the area. Throughout its history, the house has been linked to various European royal families through marriage. The last reigning duke was Friedrich Franz IV, who ruled until the end of the monarchy in Germany after World War I. Today, the family remains active in cultural and charitable endeavors.