aughter of Prince Laanui & High Chiefess
Theresa Owana Kaheiheimalie, born on September 11, 1834, Elizabeth was officially eligible for the HawaiianThrone by order of King Kamehameha III who placed her in the Chiefs Children's School (Royal School). Princess Elizabeth crossed periods from the old ali'i times well into the 19th century, during the time when her cousins became Kings & Queens and during the 1893 overthrow of Queen Liliuokalani. She was a major ancestrial voice for the Kamehamehas since their passing.
1834 ~ 1928
1920's
he married  Mr. Frank Seaver Pratt (Council General for the Hawaiian Kingdom).  Princess Elizabeth did not have any children, although she adopted her blood neice, Princess Theresa Owana Kaohelelani, the daughter of her brother Laanui. 
In 1920 at the age of 86, she wrote "Keoua, Father of Kings", a book of her memoirs of the Kamehameha Dynasty and about her great grandfather, Keoua-nui, information and chants that has been past down to her from generations of Keoua.  She documents the sole heirs of the Keoua royal line...a second edition was published in 2000. Princess Elizabeth died in the year 1928 at the age of 94.
Portrait of Princess Elizabeth attending the Chief's Chidrens' School (Royal School) - Painted by Mary Koski
"(My brother), Gideon Kailipalaki Laanui by his wife Kamaikaopa left an only child, a daughter, Theresa Owana Kaohelelani who by her late husbands Alexander Joy Cartwright Jr. and the Honorable Robert W. Wilcox has a family of children and grandchildren forming the junior branch of the Keoua family, now living.  They and I are the sole representatives of the Keoua line, progenitor of the Kamehamehas"

-Princess Elizabeth Kekaaniau, 1920