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.

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.

Liv Tyler discovered her father was Steven Tyler at age 12 during an Aerosmith concert, having been raised by Todd Rundgren, her mother's partner.

Liv Tyler is opening up about her complicated family dynamics. The actress, 47, reflected on how her stepdad, Todd Rundgren, was impacted by discovering her biological father was Steven Tyler.

Liv and her sister Mia Tyler open up about learning they were siblings, and the complicated family dynamic with their rockstar father.

Liv Tyler, who is one of Aerosmith frontman Steven Tyler's four kids, recalled the moment that she learned the rockstar was her dad.

To quote one of their father’s famous lyrics, Liv and Mia Tyler shared some “sweet emotion” over how they first met.

Liv Tyler recalled the emotions she felt after learning as a preteen that Aerosmith frontman Steven Tyler was her father.