Lion king. Because Mufasa had a son before Simba. How? Mufasa had another cub named Kopa. Him and Vitani fell in love and Vitani was exiled. Zira found out and killed Kopa. So then Mufasa has Simba. (Vitani was exiled because she became pregnant. And in order to go back she had to kill her cubs. So she did and went back. So there)
It's seems like no one has watch Hercules!!! COME ON THAT MOVIE WAS HILARIOUS