Leon van der Essen, A Short History of Belgium (1916)
“ Only one Belgian prince, the Duke of Brabant, resisted the French influence. Since the former duchy of Lotharingia, at the beginning of the twelfth century, had been [59] broken up into many parts, Brabant became the leading power in the central part of Belgium. The house of the dukes of Brabant was indeed the only dynasty that could boast of its national origin; the other Belgian principalities all fell, during the thirteenth century, into the hands of new and foreign families. The dynasty of Brabant was thus exceedingly popular ”
