http://www.tmz.com/2014/05/29/anna-gunn-divorce-child-support-breaking-bad/

Alastair Duncan, the actor father of Gunn’s two daughters, stopped seeking child support after their divorce in 2009. But according to TMZ, he wants “a piece of” her earnings, including the $1 million she made from “Breaking Bad” last year.
Read more at http://www.hitfix.com/tv-tattle#1VUWe2Qsm530PgYC.99