Antwerp in this country used to be in the Duchy of Brabant
In the 13th century, it contained the present-day provinces of Antwerp, Brabant 
Walloon, ... most of the other regions of the Low Countries, including Brabant, ... 
Henry I supposedly used a black flag, with on the one side the Holy... [DOC] [TLE] Vlaanderen - myantwerp.eu [PAR]