Question: Abigail Kinoiki Kekaulike Kawānanakoa, born on which date, sometimes called Kekau, is a member of the House of Kawānanakoa, and is referred to by many as a princess, a common honorary bestowed to descendants of titled subjects of the Kingdom of Hawaii or important figures in the history of Hawaii? 

Context paragraphs:
History of Hawaii: The history of Hawaii describes the era of human settlements in the Hawaiian Islands.  That history begins sometime between 124 and 800 CE, with some theories dating the earliest Polynesian settlements to the 10th or even 13th century.  Around 1200, Tahitian explorers found and began settling the area.  This began the rise of the Hawaiian civilization.  It remained isolated from the rest of the world for another 500 years.

David Kawānanakoa: David Laʻ amea Kahalepouli Kinoiki Kawānanakoa (February 19, 1868 – June 2, 1908) was a prince of the Kingdom of Hawaiʻ i and founder of the House of Kawānanakoa.  He was in the line of succession to the throne of the Kingdom of Hawaiʻ i around the time of the kingdom's overthrow.  Kawānanakoa translates as "fearless prophecy" in Hawaiian.

Kinoiki Kekaulike: Kinoiki Kekaulike I was a Princess of the island of Kauaʻ i during the transition from ancient Hawaii to the Kingdom of Hawaii.

Victoria Kinoiki Kekaulike: Victoria Kūhiō Kinoiki Kekaulike II (1843–1884) was a Princess of the Kingdom of Hawaiʻi.  Her name also sometimes spelled as Kinoike Kekaulike has been written as Mary Kinoiki Kekaulike in many sources.  Her name Kekaulike translates as "the equality" in Hawaiian.

Quentin Kawānanakoa: Quentin Kūhiō Kawānanakoa (born September 28, 1961), is a Republican politician of the state of Hawaii.  Kawānanakoa is an organizer of the Republican Party of Hawaii.  He is the head of the House of Kawānanakoa.

Abigail Kinoiki Kekaulike Kawānanakoa: Abigail Kinoiki Kekaulike Kawānanakoa (born April 23, 1926), sometimes called Kekau, is a member of the House of Kawānanakoa.  She is referred to by many as a princess, a common honorary bestowed to descendants of titled subjects of the Kingdom of Hawaii or important figures in Hawaiian history, although she holds no official title and wields no power or influence in the Hawaiian state government.

Abigail Kapiolani Kawānanakoa: Abigail Helen Kapiʻolani Kawānanakoa (1903–1961) was a member of the House of Kawānanakoa and the eldest daughter of Prince David Kawānanakoa and Princess Abigail Campbell Kawānanakoa.

Lydia Liliuokalani Kawānanakoa: Helen Lydia Kamakaʻeha Liliʻuokalani Kawānanakoa (1905–1969), was a member of the House of Kawānanakoa and the second daughter of Prince David Kawānanakoa and Princess Abigail Campbell Kawānanakoa.  She was known by many in the Hawaiian community as Princess Liliuokalani although she never officially held such a title.

David Kalākaua Kawānanakoa: David Kalākaua Kawānanakoa (March 10, 1904 – May 20, 1953), also known as Prince Koke, was a member of the House of Kawānanakoa and the only son of Prince David Kawānanakoa and Princess Abigail Campbell Kawānanakoa.

House of Kawānanakoa: The House of Kawānanakoa, or the Kawānanakoa Dynasty, are descendants to the throne of the Kingdom of Hawaiʻi.

Supporting paragraphs: Abigail Kinoiki Kekaulike Kawānanakoa History of Hawaii
Answer: April 23, 1926