Īt an unknown relative time, Frisk met a young girl named Artemis, who herself was also attempting to survive on the streets of Athens, along with helping her sister, Amelia, survive as well. Shortly after, Frisk was separated from his sister and never saw her again. Afterwards, William, Frisk's older brother, took care of him and Aliza, his younger sister, for the next 'fifteen years' before abandoning them both. At an unknown time, Frisk's parents were killed in an automobile accident.
Not much has been revealed relating to Frisk's life before falling into the Underground.
