She knows: Odysseus, Helios, her younger brother and sister - Aeëtes, Pasiphaë. Also remembers Scylla, Glaucos. She dosen’t have her son Telegonus here. Circe is a daughter of Helios (god of the sun) she had no powers so most people despised her. With the birth of her younger brother Aeëtes she had powers of whichcraft (like her brother). The gods were afraid of her powers and Zeus banished her to the the island-Aiaia. After a while nymphs began to be sent there as a sign of their punishment. After one incident Circe realized how dangerous travelers were and began to protest the nymphs, turning those with bad intentions into pigs. (side note not my idea or pic so all credit goes to the person @Dillen (I think)