Question

how does the recurring theme “never shame your ancestors” in king wen is on high relate to the conflict in a very handsome gentlemen

Answer 1

Yes, that is true. It reflects about men who were said to be ugly.

Answer 2

"Never shame your ancestors" means that no matter what you do, the past generations are with you. In other words, think before you act. It's important to be cautious and wary that you don't bring shame to the people before you.