I did once read a very lovely and heartfelt fanfiction of shrek dealing with the loss of fiona due to her human-sized heart failing her ogre-sized body and how unexpected that was for him and the children and then five minutes later I had the displeasure of glancing upon a Hitler x shrek title...
...I honestly don't know. The childhood portion would be a lot easier on Sybil but whenever I try to imagine shrek in place of my darling baby girl something in my soul screams in fear and hatred
I just remembered this movie I watched some years ago but I think you might like it- here's a song from it:
the movies a little silly, but that's not a knock against it