Yang koang genealogy, need help to make tree family name

Let discover together the meaning and history behind Yang koang. Ask your questions, you’ll probably receive answers from your cousins, or historians. And please leave a message with your comments and what you know about Yang koang surname.
Your family name is Yang koang ? We need to discover the meaning and history behind your last name. Make with us the tree of Yang koang family.
This page will be dedicated to the genealogy and origin of Yang koang

Thank you.