T'Mir was the daughter of Sorel and T'Zan. She was a xenobiologist bonded with her father's partner, Dr. Daniel Corrigan. Corrigan had been saved with a stasis-regeneration treatment created by them. She was returning to Vulcan from Earth and her brother was to pick her up from the ship bring and her in. When her mother died they were transported to help Sorel with the loss of his wife. (TOS novel: The Vulcan Academy Murders) Later on she traveled with her father and her new bondmate to help the multi-species colony Nisus. (TOS novel: The IDIC Epidemic)