MY Gran Harriet had FOUR mystery Dads. Luckily they are a mystery no more, although we have never found what happened to Henry, he just went.
Great Gran Eliza married Henry Moore, lost him, literally, partnered W G H Moore, his brother, left him after having two children, partnered Challis Webb who was my Great Grandfather, but he walked out on them, running off with a gal called Betsy. Finally Eliza married Sam Wicks, and stayed with him bringing up her family from assorted 'husbands.'
It took years to work out, but we managed it in the end.
If things get too tough, I'm sure the lovely people on Roots will help you out, Marytm