Ла-Фер
Ralph of Coucy, (c. 1134 – 1191), lord of Coucy, lord of Marle, La Fère, Crécy (sur-Serre), Vervins, Pinon, Landouzy (la-Ville), and Fontaine (lès-Vervins). He was the son of Enguerrand II, Lord of Coucy and Agnes de Beaugency.