Actor Matt Damon has said to People.com his family keeps a only strict rule as his the girls mature. He did not specify the rule but described it as unchangeable in bringing up the kids. The household preserves tight relationship with Damon’s wife of for many years, Luciana Barroso, and their four girls. Damon’s eldest daughter, now aged 20, drew extra attention after her high‑profile walk at a notable occasion with her 19‑year‑old sister.