Trillian Steiner-Davion (Born [])<ref>''Blood of the Isle'', p. 167</ref> - 32nd Century noblewoman, who is the granddaughter of [[Peter Steiner-Davion]]. She is the House Steiner Royal public adviser and aide to the [[Archon]] [[Melissa Steiner II|Melissa Steiner]].
She is acts as the Steiner family historian. She is loyal and believes in [[Devlin Stone]]'s dream of republic. She been trained for many years with Commonwealth's Diplomatic Corp where she acquired good negotiation skills.