He could have also had a multitude of venereal diseases that impaired the mistresses/wives, causing miscarriages and stillborn births. Some speculate the same with John Kennedy;i.e., he gave Jackie diseases that caused her to miscarry and give birth to weak babies.
Likely. it could be that Henry VIII, like Kennedy visited brothels and slept with half the women there. Kennedy slept with Marilyn who slept with who knows who else.