There's a fanfiction comic where grim and Mandy marry and have 2 kids together. It's a "happy" relationship concidering being Grims wife gives her powers, but since they can't biologically have kids, she got pregnant by this other character and Grim used his powers to kill the baby. Therefore, they have a skeleton child
http://snafu-comics.com/swmcomic/i-killed-an-ewok-to-look-this-good/