Background
His parents" marriage was later declared illegal, because his father had already received minor orders.
His parents" marriage was later declared illegal, because his father had already received minor orders.
Baldwin was later declared legitimate by the pope, at the instigation of King Louis IX of France. In 1246, Baldwin received Beaumont as an apanage. He was said to be responsible for the accident that killed his half-brother William III of Dampierre during a tournament in Trazegnies.
In 1287, Baldwin sold Dunkirk and Warneton to Guy, Count of Flanders.
He is also known as a chronicler. He wrote the Chronique Universelle.