Jean de Brienne: Revizyonlar arasındaki fark

 

[[Beşinci Haçlı seferi]] (1218-1221) boyunca, baskın bir karekter olarak öne çıktı.

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The legate [[Pelagius of Albano]], however, claimed the command; and insisting on the advance from [[Damietta]], in spite of John's warnings, he refused to accept the favourable terms of the [[sultan]], as the king advised, until it was too late. After the failure of the crusade, King John came to the West to obtain help for his kingdom. In 1223 he met [[Pope Honorius III]] and the emperor [[Frederick II, Holy Roman Emperor|Frederick II]] at [[Ferentino]], where, in order that he might be connected more closely with the Holy Land, Frederick was betrothed to John's daughter Isabella, now heiress of the kingdom. After the meeting at Ferentino, John went to France and [[England]], finding little consolation; and thence he travelled to [[Santiago de Compostela]], where King [[Alfonso IX of Leon]] offered him the hand of one of his daughters and the promise of his kingdom. John passed over Alfonso's eldest daughter and heiress in favor of a younger daughter, [[Berenguela of Leon]]. After a visit to [[Germany]] he returned to [[Rome]] (1225). Here he received a demand from Frederick II (who had now married Isabella) that he should abandon his title and dignity of king, which, so Frederick claimed, had passed to himself along with the heiress of the kingdom. John, though fifty or fifty-five years of age, was still vigorous enough to avenge himself on Frederick, by commanding the papal troops which attacked southern [[Italy]] during the emperor's absence on the [[Sixth Crusade]] (1228–1229).

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1229 yılında, [[Latin İmparatorluğu]]'nun baronları, taht naibi olması için onu davet ettiler.

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In 1229, John was invited by the barons of the Latin Empire of Constantinople to become emperor-regent, on condition that [[Baldwin II of Constantinople|Baldwin of Courtenay]] should marry his second daughter and succeed him. For nine years he ruled in Constantinople, and in 1235, with a few troops, he repelled a great siege of the city by [[John III Doukas Vatatzes]], [[Empire of Nicaea|emperor of Nicaea]], and [[Ivan Asen II of Bulgaria]], killing around 10,000 of the enemy single-handedly at the age of eighty.<ref name="Gibbons' History of the Decline and Fall of the Roman Empire">http://books.google.co.uk/books?id=Hy8OAAAAQAAJ&pg=PA1082&lpg=PA1082&dq=john+of+brienne&source=bl&ots=PGjGUrYq-o&sig=pARWMRCkq8QdiMzEZTRPN6K_jNI&hl=en&ei=l_nZS6PwFpGUOL-XuAg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CAUQ6AEwADgK#v=onepage&q=john%20of%20brienne&f=false</ref>