Polaris (Lorna Dane) is the 8th member of the M-Men and the half sister of Quicksilver and Scarlet Witch and the daughter of Magneto and is other than Nocturne the only one in her family that stayed with the X-Men. Polaris was created by Arnold Drake and Jim Steranko and first appeared in X-Men #49 1968 her powers are the same as her fathers which clued into that she was related to magneto because originally adopted like Havok with whom she had a long complicated relationship with while they were both in the Starjammers. Polaris has been on magneto acolytes and been the pestilence horseman in Apocalypse's horseman but both times her mind was being controlled. Polaris possess all of her father magnetos powers and that includes magnetic manipulation.