Vem gifte sig med Marguerite de Blois?

Marguerite de Blois, née en 1170, elle est la fille de Thibaut V de Blois et d'Alix de France. Elle a quatre frères et deux sœurs : Adélaïde et Isabelle. Elle devient comtesse de Blois et de Châteaudun après le décès en 1218 de son neveu Thibaut VI de Blois, en tant que sœur aînée, ses frères étant prédécédés et sans descendance.

Гуго (Юг) III д’Уази или Гуйо Уазийский фр. Hugues III d'Oisy; ок. 1140 — 29 августа 1189) — сеньор Уази и Кревкёра, шателен Камбре, виконт Мо, трувер, старший сын Симона д’Уази (1115—1171) и Ады де Вермандуа.

Walter II of Avesnes (b. 1170 – d. 1244) was lord of Avesnes, Leuze, of Condé and Guise, and through his marriage to Margaret of Blois, he became count of Blois and Chartres. He was the son of James of Avesnes, and Adèle, lady of Guise.

Walter fought alongside Count Ferdinand of Flanders at the Battle of Bouvines in 1214, then left to fight in the Holy Land. Taken prisoner, he was ransomed by the Knights Templar and helped construct the Pilgrim Castle, in 1218, donating 1,000 Saracen bezants towards its construction.

With the income from Guise lands, he began work on modernizing his castles. He also built a castle Englancourt to control the road through the county of Hainaut.

Otto I (in French, Otton I, between 1167 and 1171 – 13 January 1200) was Count of Burgundy from 1190 to his death and briefly Count of Luxembourg from 1196 to 1197. He was the fourth son of Frederick I, Holy Roman Emperor, by his second wife Beatrice I, Countess of Burgundy, daughter of Count Renaud III.