Baldwin I of Jerusalem marriage was never annulled. Baldwin's third wife, Adelaide, was the wealthy widow of Roger I of Sicily. Her first husband died in 1102 and she acted as regent for their minor sons until the end of 1111. She was more than forty, when Baldwin asked her to marry in 1112. According to William of Tyre, he wanted to marry her because he had learnt of her wealth. Baldwin even agreed to make her son, Roger II of Sicily, his heir in Jerusalem. She landed at Palestine in August 1113, accompanied by hundreds of soldiers and bringing her rich dowry. The
Baldwin I, Latin Emperor of this land. After Philip II of France took Baldwin's brother, Philippe of Namur, prisoner, Baldwin was forced to agree to a truce to ensure his safety. The Treaty of Péronne was signed in January 1200 on the condition that Baldwin receive the territories he had won during the war. Baldwin was made the vassal of Philip II, and the king returned portions of Artois to Baldwin. In this fight against the French king, Baldwin allied with others who had quarrels with Philip, including kings Richard I and John of England, and the German King Otto IV. A month after