Guy IV, Count of Saint-Pol
Guy IV of Châtillon, Count of Saint Pol was a French nobleman. He was the son of Guy III, Count of Saint-Pol and Matilda of Brabant.
In 1292, he married Marie of Brittany, daughter of John II, Duke of Brittany and Beatrice of England. They had:
- John, Count of Saint-Pol, married Joanna, daughter of John I of Fiennes
- Jacques of Châtillon, Lord of Ancre
- Mahaut of Châtillon, married in 1308 Charles of Valois
- Beatrix of Châtillon, married in 1315 John of Dampierre, Lord of Crèvecœur
- Isabeau of Châtillon, married in May 1311 Guillaume I de Coucy, Lord of Coucy
- Marie of Châtillon, married Aymer de Valence, 2nd Earl of Pembroke
- Eleanor of Châtillon, married John III Malet, Lord of Graville
- Jeanne of Châtillon, married Miles de Noyers, Lord of Maisy
He was placed in joint command of one of the two reserve "battles" of the French troops at the Battle of the Golden Spurs in 1302, where the French army was led by his elder half-brother Robert II, Count of Artois. He was able to escape when the French were routed by the Flemings, but his brother Jacques, elder half-brother Robert, and many of his relatives were killed.