Irene Stewart was a Swedish female the mother of Daniel Stewart and the aunt of Robin Lynch. At some point after moving to the United States of America, Irene fell in love with Benjamin Stewart and married him. In March 2019, they gave birth to Daniel. The following month, Irene attended a family reunion, for which she brought her son along. However, their house was struck by lightning, and Irene was killed. Daniel and Robin, however, escaped the destruction. Now on their own, the two set out to find their destiny. They were always on the run until they met the S.M.S.B., and they leaped at the chance to help them.
- The X-Adults: Endgame: The Latest Threat (Mentioned only)