Communication etiquette and features among young people in China

12. How you address to your mother's parents?

  1. grandpa grandma
  2. Grandpa and grandma.
  3. 姥爷和姥姥
  4. 外公、外婆
  5. Grandpa （外公）and Grandma（外婆）
  6. Mother
  7. grandparents?
  8. honorific
  9. 外奶奶，外爷／奶奶，爷爷
  10. Nana or Papa