She is married to Béla III Arpad, King of Hungary & Croatia.
They got married
Maria Xena Antioch (born Poitiers)<br>Gender: Female<br>Birth: Circa 1145 - Antakya, Hatay, Turkey<br>Marriage: Before 1169<br>Death: Aug 27 1182 - Hatay, Hatay, Turkey<br>Father: Raymond I de Antioch (born Poitiers)<br>Mother: Constance Châtillon (born Antioch)<br>Spouses: Manuel I Byzantium (born Komnenos)Béla Hungary (born Arpadhazi)<br>Child: Alexios II Komnenos Byzantium (born Emperor of the Byzantine Empire)<br>Sibling: Bohémond III Antioch (born Poitiers)