I wouldn t suggest a spell to bring him back. It is quite likely if you use magick to bring him back, you will suffer greatly and your children will too. If you try to trap a person in a relationship they don t want to be in, it is likely to go really bad.
I would suggest doing something to take your mind off of it. Join a club get a hobby. I would suggest using magick to help yourself deal with the pain and trauma your feeling.