United Kingdom, Feb. 17 -- Dax Shepard turned to comedy to "regulate" the "chaos" in his home life.

The 50-year-old actor's parents divorced when he was three years old and he admitted things could be turbulent with a "lot of stepdads" in his life, so he used humour to try and calm down potentially-volatile situations.

In a preview for the latest episode of 'Finding Your Roots' obtained by People magazine, he said: "There was some chaos in the house, I had a lot of stepdads and so my role was attempting, at least, to regulate the energy in the room.

"So if I could say something pretty funny before things boiled over, that - I know that I've been doing that for a long time."

Host Henry Louis Gates Jr. then asked the 'Armchair Expert' p...