Alexis is the younger sister of Ariel, Attina, Aquata, Adella, Arista, Alana, and Andrina and daughter of King Triton and Queen Athena. She never knew her mother, but her eldest sister Attina acts as a mother figure towards her.
When she is twenty two years old in the series, Alexis is also the love interest of Eric's younger brother, Prince Sean.
|King Triton||Queen Athena|
- SHe is twelve during Ariel's Beginning, thirteen in The Little Mermaid and twenty five in the second film with a child of her own named Harmonia, who is only three years younger than Melody.