The de Bailleul family is a family of immemorial French nobility.
Originating from Bailleul in the north of France, their lineage goes back to 980. The de Bailleul family was, until well into the Renaissance, an important family in the county of Flanders. It was divided into three branches: the Lords of Bailleul, the Lords of Doulieu and the Lords of Eecke.
