the demon lord birthday

there was a man hoe married a demon girl. Bet not to now what hebben the girl was pregnant in 2 years.when he heard that he was happy bet it was to bad ze had to go from there back to the demon world .then when it was time voor hear to give birth to the child ze that gone back to hear husband and give birth to a demon boy.hoe lookt lijk a real human.He was really shaprijst to zie.That his son is a human bet he was the strongest demon of alle the demons hoe kan kill them alle in één time