George van Lalaing, Count of Rennenberg

George van Lalaing, Count of Rennenberg, was a nobleman from the southern Netherlands who served as stadtholder of Friesland, Groningen, Drenthe and Overijssel during the Dutch Revolt. A Catholic who had sided with the rebel States-General, he went over to the Spanish side in March 1580, keeping Groningen royalist. His defection was a serious blow to the revolt in the north; he died the following year.