What was XXX's child's name?
Nguyễn Phúc Luân
Nguyễn Phúc Luân or Nguyễn Phúc Côn (阮福㫻, 1733--1765) was a son of lord Nguyễn Phúc Khoát and father of Nguyễn Phúc Ánh (future emperor Gia Long of Vietnam).
Gia Long