Original: The House of Wettin is a dynasty of German counts, dukes, prince-electors (Kurfürsten) and kings that once ruled the area of today's German states of Saxony, the Saxon part of Saxony-Anhalt, and Thuringia for more than 800 years as well as holding at times the kingship of Poland.
Simplified: The House of Wettin was a dynasty of German counts, dukes, prince-electors (Kurfürsten) and kings that ruled in what is known today as the German states of Saxony and Thuringia for more than 800 years.