John of Brienne
... that John of Brienne, who lost the Kingdom of Jerusalem to his son-in-law in 1225, won the Latin Empire of Constantinople as his other son-in-law's co-ruler in 1229?
... that <b id="mwCUw"><a href="./John_of_Brienne" id="mwCU0" rel="mw:WikiLink" title="John of Brienne">John of Brienne</a></b>, who lost the <a href="./Kingdom_of_Jerusalem" id="mwCU4" rel="mw:WikiLink" title="Kingdom of Jerusalem">Kingdom of Jerusalem</a> to his son-in-law in 1225, won the <a class="mw-redirect" href="./Latin_Empire_of_Constantinople" id="mwCU8" rel="mw:WikiLink" title="Latin Empire of Constantinople">Latin Empire of Constantinople</a> as his other son-in-law's co-ruler in 1229?