Felicita Maria di Boemondo of Antioch, was a Princess of Antioch and the Dogaressa of Venice by marriage to the Doge Vital II Michele (r. 1156-1172).
She was the daughter of Bohemund of Antioch. As a dogaressa, Felicita Maria was known as a benefactor of especially the convent San Zaccaria. Visiting San Zaccaria at the time of the murder of her spouse, she chose never to leave the convent again.
References
Felicita Maria di Boemondo Wikipedia(Text) CC BY-SA