Tserclaes
Tserclaes is a surname of Flemish origin. It is most famously associated with the Tserclaes family, a prominent noble house in the Duchy of Brabant. The most renowned member of this family was Johan van Tserclaes, Count of Tilly, a highly successful military commander in the 17th century. He served as a marshal of the Imperial Army during the Thirty Years' War and was known for his strategic brilliance and tactical acumen.
The surname itself is believed to derive from the placename of Tserclaes, a former domain near Leuven