Callista

Callista was a Greek resident who resided in Alexandria, Egypt with her husband Aristo of Alexandria.

Her husband was a philosopher who spent years writing a work on the Nile, often clashing with a fellow philosopher and the royal scribe Eudoros, who also wrote plagirised his work. Eudoros would later charge Aristo with plagirism, casuing him to be arrested in 48 BCE.

Callista would made attempts to free her husband, eventually enlisting the help of the Medjay, Bayek, asking him to bring his husband to the docks south of Alexandria. Bayek fulfiled his promise and brought Aristo safely to the docks, allowing the both of them to flee Egypt and travel to.

Reference

 * Assassin's Creed: Origins – The Shifty Scribe