丈人公 [－－－]

Jyutping zoeng6 jan4 gung1
Pinyin zhàng rén gōng

Definitions (Wiktionary)
  1. noun, Taiwanese-Hokkien
    grandfather-in-law (wife's grandfather)
  2. noun, Gan, Min-Nan, Puxian-Min, Quanzhou, Xiamen, Xiang, Zhangzhou, including
    father-in-law (wife's father)