Reigen Thian-hong ( ?元天皇 (Leng-goan Thian-hong) , Reigen-tenn? ? , 1654 ni 7 goe?h 9 ji?t – 1732 ni 9 goe?h 24 ji?t ) s? Ji?t-pun t? 112 t?i thian-hong , 1663 ni kau 1687 ni ch?i-?i.