If we were talking about a few Islamic priests that would be one thing, because there's a criminal element in every society and group.
We're talking about your main guy. This is like saying that Jesus was a pedophile and then giving authoritative Catholic sources to prove it.
Jesus was abstinent. The only people who dissent from that ideal claim that Jesus married Marry Magdalene, an adult woman, not a 9 year old child.
Muhammad married and had sex with child.