It is never stated who the mother of his children are.
They do have the same names as the ones in All Good Things... though he has three children then, there's also a son named Bret.
Also, to be a bit pedantic, in AGT, it's only ever mentioned that his wife's name is "Leah", leaving the...
I'd love to see this in the SNW vein -- almost like a call-back to the olden days of Trek where stories didn't necessarily have to tell a single story across a full season. Give me 10 stories that tell me amazing sci-fi analogies/etc.