mine actually was with a mountain cur as the female then a pure ybmc and a pit as the 2 males basically mine came out some were the mountain cur and pit cross and then a few the yella dog and female cross wouldn't say i seen any pup come out a combo of all 3 but it might be possible Idk about that end of it though
If you are serious, WOW!!!!!!!!
You can not have multiple sires for the same pup. ONE DAM X ONE SIRE