rince Laanui was the son of Princess Kaohelelani & Chief Nuhi O Hinai, he was the famous chief that survived the slaughter at the battle of Kawaihae.
King Kamehameha & Queen Kaahumanu arranged a marriage between Namahana Kekuwai-Piia (the Queens sister) and Laanui.  They were the first couples to be baptized in Kawaiahao Church along with Queen Kaahumanu and seven other followers were he received his baptismal name of Gideon.
Kekuawai-Piia later died with no children from Laanui.
The home site of La'anui's Estate, The Old Haleiwa Hotel.
1797 ~ 1849
He was then introduced to the Queens adopted daughter and married the High Chiefess Theresa Owana Kaheiheimalie Rives, daughter of Luahine.  Their off springs brought them a daughter, Princess Elizabeth Kekaaniau
and a son, Prince Gideon Kailipalaki Laanui II.
His daughter, Princess Elizabeth Kekaaniau was selected by King Kamehameha III to be eligible to the throne of the Hawaiian Kingdom and was groomed to be a future ruler of Hawaii.

Prince Gideon Laanui was the most skilled surf rider, taught by King Kamehameha himself. He was the High Chief of Haleiwa on Oahu were he resided and was the judge of his district appointed by King Kamehameha III.  He initiated the first congregation in Haleiwa and donated all the land for the church. 
It is now known as the Liliuokalani Church.
Princess Namahana Kekuwai-Piia
Sister of Queen Kaahumanu