Trenia was to be the Xindi offspring of Naara and Degra and the sibling to Jaina and Piral. Three months in Naara's pregnancy, she contracted Anaprolean fever and lost the child.

A communications log found aboard a Xindi-Aquatic escape pod acquired by the crew of Enterprise revealed the names of Trenia, and two other siblings, as the names of supervisors requesting additional parts. (ENT: "Azati Prime", "Damage")