It's creepy by modern western norms but it's been a fairly basic drive in rich and powerful men for a long time. Look at the percentage of men who share Y chromosomes from Genghis Khan, or the sultans who kept large harems.
>'hoped to seed the human race with his DNA
I then gave examples of powerful men attempting to seed the human race with their DNA. I make zero justification of exploiting/grooming underage girls, that's an entirely seperate issue.