Other than Izuku's mom, My Hero Academia fans don't know too much about Izuku's family. According to Tumblr user neubauje, we may have already met one of his relatives: his homeroom teacher, Shota Aizawa.
Aizawa's primary quirk is Erasure, which allows him to temporarily disable other people's quirks. However, he also demonstrates some light telekinetic ability, which he uses when he does things like weaponize his scarf. Inko Midoriya, Izuku's mom, also possesses mild telekinetic abilities.
Neubauje speculates this is because they're siblings. Specifically, Aizawa's father possessed powerful telekinetic abilities but deliberately sought out someone with a quirk-canceling ability in the hopes of combining those powers in his children.
In Inko's case, her powers were unimpressive because her mom's quirk-canceling ability actually inhibited her quirk development, but Aizawa inherits them both. The quirk-canceling is also why Izuku is born quirkless; her canceling genes prevent him from inheriting either her telekinetic abilities or the fire quirk his father supposedly had.
