Lunalilo, born William Charles Lunalilo (January 31, 1835 – February 3, 1874), was king

Monarch

A monarch is the person who heads a monarchy. This is a form of government in which a state or polity is ruled or controlled by an individual who typically inherits the throne by birth and occasionally rules for life or until abdication...

 of the Kingdom of Hawaii

Kingdom of Hawaii

The Kingdom of Hawaii was established during the years 1795 to 1810 with the subjugation of the smaller independent chiefdoms of Oahu, Maui, Molokai, Lānai, Kauai and Niihau by the chiefdom of Hawaii into one unified government...

 from January 8, 1873 until February 3, 1874. He was the most liberal king in Hawaiian history, but was the shortest-reigning monarch.
William Charles Lunalilo was born on January 31, 1835 in an area known as Pohukaina, now part of Honolulu.
His mother was High Chiefess Miriam Auhea Kekāuluohi

Kaahumanu III

Queen consort Miriam Auhea Kalani Kui Kawakiu o Kekāuluohi Kealiiuhiwaihanau o Kalani Makahonua Ahilapalapa Kai Wikapu o Kaleilei a Kalakua also known as Kaahumanu III , was Kuhina Nui of the Kingdom of Hawaii, a queen consort of both King Kamehameha I and Kamehameha II, and mother of another...

 (later styled Kaahumanu III) and his father was High Chief Charles Kanaina.