Asil was one of Tuvok's and T'Pel's four children. She was their youngest child, and only daughter. She was conceived during Tuvok's 11th pon farr, and was born in the city of T'Paal on Vulcan. (VOY episodes: "Elogium", "Alice", "Unimatrix Zero, Part II")

Kathryn Janeway, a long time friend of her father, was present at her kolinahr. (VOY episode: "Fury")