Princess Lucenna

"You're not just Princess by title, but by heart." - King Rivelinos-

Princess Lucenna is Princess of East, Kingdom of Ergoss and younger sister of King Colombus and older sister of Prince Tarrence.

She's 3 years apart from her older brother, Colombus. And 1 year apart from Tarrence. At age 15, she married Lord Cassian from South.