Bia is a Portuguese diminutive of Beatrix. Beatrix originates in Latin language and means "voyager". Beatrix was the name of several saints in Christianity and it was also a popular given name within royalty. A famous bearer was Beatrix Potter, an English author and creator of Peter Rabbit. Beatrice was popularized by Beatrice Portinari, the muse of the Italian poet and author of Divine Comedy, Dante Alighieri.