John I of Dreux Count of Dreux and Braine, was the son of Robert III of Dreux

Robert III of Dreux

Robert III of Dreux , Count of Dreux and Braine, was the son of Robert II, Count of Dreux, and Yolanda de Coucy. He was given the byname Gasteblé Robert III of Dreux (1185–1234), Count of Dreux and Braine, was the son of Robert II, Count of Dreux, and Yolanda de Coucy. He was given the byname...

 and Annora(Aenor) of Saint-Valéry.

Knight

Knight

A knight was a member of a class of lower nobility in the High Middle Ages.By the Late Middle Ages, the rank had become associated with the ideals of chivalry, a code of conduct for the perfect courtly Christian warrior....

ed by King Louis IX of France

Louis IX of France

Louis IX , commonly Saint Louis, was King of France from 1226 until his death. He was also styled Louis II, Count of Artois from 1226 to 1237. Born at Poissy, near Paris, he was an eighth-generation descendant of Hugh Capet, and thus a member of the House of Capet, and the son of Louis VIII and...

, he accompanied the king on several campaigns, firstly in Poitou

Poitou

Poitou was a province of west-central France whose capital city was Poitiers.The region of Poitou was called Thifalia in the sixth century....

 in 1242, where he fought at the Battle of Taillebourg. In 1249 he joined the king on the Seventh Crusade

Seventh Crusade

The Seventh Crusade was a crusade led by Louis IX of France from 1248 to 1254. Approximately 800,000 bezants were paid in ransom for King Louis who, along with thousands of his troops, was captured and defeated by the Egyptian army led by the Ayyubid Sultan Turanshah supported by the Bahariyya...

 to Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

, but died at Nicosia

Nicosia

Nicosia from , known locally as Lefkosia , is the capital and largest city in Cyprus, as well as its main business center. Nicosia is the only divided capital in the world, with the southern and the northern portions divided by a Green Line...

 in the Kingdom of Cyprus

Kingdom of Cyprus

The Kingdom of Cyprus was a Crusader kingdom on the island of Cyprus in the high and late Middle Ages, between 1192 and 1489. It was ruled by the French House of Lusignan.-History:...

 before arriving.

In 1240 he married Marie (1220–1274), daughter of Archambaud VIII of Bourbon

Archambaud VIII of Bourbon

Archambaud VIII of Bourbon, le Grand, was a ruler of Bourbonnais in the modern region of Auvergne, France. His parents were Guy de Dampierre II, Seigneur de Dampierre, and Maud de Bourbon, daughter of Archambaud VII de Bourbon, Sire de Bourbon. He was succeeded by his son, Archambaud IX of...

. They had three children:

• Robert IV
  Robert IV of Dreux
  Robert IV of Dreux , Count of Dreux, Braine and Montfort-l'Amaury, was the son of John I of Dreux and Marie of Bourbon.Robert fought with Philip III of France in 1272 in his expedition to the Languedoc and was present at the capture of Foix....
  
   (1241–1282), succeeded his father.
• Yolande, became the second wife of John I, Count of Dammartin
  John I, Count of Dammartin
  Jean II de Trie was the first of his name and second of his house to be Count of Dammartin. He succeeded his father, Mathieu, in Dammartin and as lord of Trie and Mouchy, on the latter's death in 1272. He is the same person as the trouvère Jehan de Trie, to whom two surviving chansons courtoises...
  
  .