Is Alaric Elena's Dad?

Alaric is a member of the Saltzman Family and a non-biological relative to the Petrova Family and the Gilbert Family, due to being Elena's step-father through his marriage to Isobel, and Jeremy's guardian.

Who is Elena's birth father in Vampire Diaries?

Elena is adopted and so people incorrectly assume that she is not related to Jeremy, however Elena's biological father is John Gilbert, Jeremy's biological uncle, thus making Elena and Jeremy biological cousins and therefore related.

Is Alaric elenas step dad?

Alaric is Elena's step-father and second legal guardian after Jenna. Alaric drank Elena's blood to become a vampire. Elena once killed Alaric, though she did so only to ensure he would return to life while wearing the Gilbert ring.