Steven Tyler is a father of four, including actress Liv Tyler, with three women. Here's what to know about the Aerosmith rocker's kids and their big blended family.

Steven Tyler's daughter opened up about how she found out the rockstar was her biological father in a new interview. Liv Tyler also recalled meeting her sister for the first time.

The two, who share father Steven Tyler, said meeting one another was “literally like looking in the mirror, seeing your double.”