Title: Yi Hong
Content:  Yi Hong (born 1974 in Seoul) is a descendant of the Joseon Dynasty rulers, who works as a model and entertainer. She is the eldest daughter of Yi Seok by his second wife, Donkgo Jeonghui, and a great-granddaughter of Emperor Gojong of Korea.
Title: Queen Hyosun
Content: Great-Great-Great-Great-Grandfather ; Jo Gi (조기, 趙磯) ; Great-Great-Great-Grandfather ; Jo Hui-bo (조희보, 趙希輔) ; Great-Great-Grandfather ; Jo Hyeong (조형, 趙珩) (1606 - 1679) ; Adoptive great-great-grandfather: Jo Min (조민, 趙珉); older brother to Jo Hyeong ; Great-Great-Grandmother ; Lady Mok of the Sacheon Mok clan (사천 목씨, 泗川 睦氏) ; Great-Grandfather ; Jo Sang-jeong (조상정, 趙相鼎) ; Great-Grandmother ; Lady Hong of the Namyang Hong clan (남양 홍씨) ; Grandfather ; Jo In-su (조인수, 趙仁壽) (1648–1692); was a prime minister ; Grandmother ; Lady Kim of the Gwangsan Kim clan (증 정경부인 광산 김씨, 贈 貞敬夫人 光山 金氏) (1649–1722) ; Father ; Jo Mun-myeong (1680–1732) (조문명, 趙景命) ; Uncle: Jo Gyeong-myeong (조경명, 趙景命) (1674 - 1726) ; Aunt: Lady Kim of the Andong Kim 
Title: Gu Family Book
Content: Choi Jin-hyuk as Gu Wol-ryung ; Kang-chi's father. He is the guardian spirit of Mt. Jiri, and falls in love with a human. ; Yoon Se-ah as Yoon Seo-hwa (ep 14-21) ; Lee Yeon-hee as young Yoon Seo-hwa (ep 1-2, 21) ; Kang-chi's mother. She is the daughter of a nobleman who becomes a gisaeng after her father is framed for treason and killed. ; She returns years later disguised as a Japanese lady Ja Hong-myung, and secretly plans her revenge against Jo Gwan-woong. ; Lee Sung-jae as Jo Gwan-woong ; A villainous nobleman. He lusted after Seo-hwa, then framed and killed her father, 
Title: Hong Ju-won
Content: Father: Hong Yeong (홍영; 1584&ndash;1645) ; Grandfather: Hong Yi-sang (홍이상; 1549&ndash;1615) ; Grandmother: Lady Kim of the Andong Kim clan (안동 김씨; 1554&ndash;1616); daughter of Kim Go-eon (김고언). ; Mother: Lady Yi of the Yeonan Yi clan (연안 이씨; d. 1656) ; Grandfather: Yi Jeong-gwi (이정귀; 1564&ndash;1635) ; Grandmother: Lady Gwon of the Andong Gwon clan (안동 권씨; 1569&ndash;1637); daughter of Gwon Geuk-ji (권극지). ; Wife: Princess Jeongmyeong (정명공주; 27 June 1603 &ndash; 8 September 1685) ; Father-in-law: Yi Yeon, King Seonjo (조선선조 이연; 26 November 1552 &ndash; 16 March 1608) ; Mother-in-law: Queen Inmok of the Yeonan Kim clan (인목왕후 김씨; 15 December 1584 &ndash; 
Title: Geri Hoo
Content:  In 1939, Hoo was born. Hoo's father was Herbert N. Hoo. Hoo's mother was Amy Kui Kiao Hoo (1920-2000), a realtor in Hawaii. Hoo's sibling are Sidney Hung, Vernon, Rick, Randy, and Sharon.
Title: Ho Yi
Content:  Ho Yi is married to Vivian Chow (daughter of Peking opera actor Zhou Xinfang), with whom he has one son, Dashiell Edmund Wong.
Title: Hui-bi Yun
Content:  Although Yun was the biological mother of the former King Chungjeong, the Goryeo royal families didn't perform any ancestral rites for her. Later, in January 1391, the reign king, Gongyang accepted the suggestion of Yejo (예조, 禮曹) and made the ancestral rites for her. Her maternal maternal first cousin, Min-Je (민제) eventually became the father of Queen Wongyeong. Also, as Consort Hui was came from the Papyeong Yun clan, she also became the ancestors of several Joseon's queens, such: "Queen Jeonghui", "Queen Jeonghyeon", "Queen Janggyeong", "Queen Munjeong".
Title: Queen Hyoui
Content:  sixth daughter of Yi Jeong-han (이정한, 李挺漢) (25 September 1601 – 30 August 1671) ; Great-Grandfather ; Kim Do-je (Hangul: 김도제, Hanja: 金道濟) ; Grandfather ; Kim Seong-eung (Hangul: 김성응, Hanja: 金聖應) (1699 - 1764) ; Adoptive grandfather: Kim Seung-jib (김성집, 金聖集) ; Grandmother ; Lady Hong of the Namyang Hong clan (남양 홍씨, 南陽 洪氏) ; Adoptive grandmother: Lady Yi of the Wansan Yi clan (완산 이씨, 完山 李氏) ; Father ; Internal Prince Cheongwon, Kim Si-muk (청원부원군 김시묵, 淸原府院君 金時默) (1722 - 1772) ; Uncle - Kim Ji-muk (Hangul: 김지묵, Hanja: 金持黙) (1724 - 1799) ; Cousin - Lady Kim of the Cheongpung Kim clan (Hangul: 
Title: Hou Yu-ih
Content:  Hou's firstborn son Hou Ni-wei died on 15 May 1992, in a 1992 Taoyuan County tour bus fire,  which killed 23 people. He and his wife Jen Mei-ling raised three daughters, Hou Yu-fan, Hou Ni-chia, and Hou Yu-chia.
Title: Beautiful Gong Shim
Content: Oh Hyun-kyung as Joo Jae-boon Woo Hyeon as Gong Hyuk A 50-year-old woman, she is the Gong sisters' mother and a former Miss Gangneung. A 52-year-old man, he is Gong sisters' father, and he has graduated from Ivy League law school.

Question: Who is the mother of Hou Ji?
Answer: Jiang Yuan.