Called "Kauakahiakuanui" in the Kuikahi tradition.
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From Solomon Peleioholani:
Kauakahiheleikaiwi (w) married Kauakahiakua (k); born were Holoae (k), Pinea (w) Kukalohe (k), third husband of Moana, Kaukoko (k), father of Kekuhaupio, the warrior.

Kauakahiakua (k) is the ancestor of Kekumano** and R. W. Wilcox. Kauakahiakua married again, to Umiaemoku (w); born was Umiaianaku (w). Umiaianaku is the ancestor of C. Kahiliaulani Notley.

**Elizabeth Kekumano, Solomon L.K. Peleioholani's wife.


Regarding a possible son for Kauahaiakua:
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EXCERPT FROM 1919 NEWSPAPER ARTICLE (NOT COMPLETE):

KA NUPEPA KUOKOA November 21, 1919
HALA IA PUA ALII KAMEHAMEHA This Kamehameha Chiefly Offspring Is Gone (Moses Keaulana)

Moses Keaulana was born in Koleaka, Honolulu, in 1876; he had reached the age of 43 and more. Here is his genealogy. Kamehameha the Conqueror is the one who married Kauhilanimaka and was born Kahiwa Kanekapolei**. Kauhilanimaka (w.), she is the true sister-in-law of Kanekapolei I, wife of Kamehameha I, with her brother, that is Kalamakuikeao, second husband of Kauhilanimaka and thus was this daughter called by the name Kanekapolei.

Kahiwa Kanekapolei married Kahaaualani and was born Kalamakuikeao Kaahiki.

** Kahiwa Kanekapolei is also the mother of Kepelino, the writer.

Half sister of Kekaulike.

From genealogist Solomon Lehuanui Kalaniomaiheilu Peleioholani (in Ancestry of John Liwai Ena):

Look at the children of Kaianikauleleiaiwi: (1) Child No. 1, Kekuiapoiwanui I (w); (2) Kekelaokekeaokalani (w); (3) Kalanikeeaumoku (k); (4) Alapainui (k), King of Hawaii, ancestor of L. M. Kekupuohikapulikoliko and many other offsprings; (5) Haae (k); (6) Keawepoepoe (k).

Kalanikauleleiaiwi (w) married Kaulahea, King of Maui and was born to them Kekuiapoiwanui (w).

From Solomon Peleioholani:

Kauluonana (k) married Kalanioumi (w), daughter of Kaikilaninuialiiwahineopuna I with the second husband Kanaloakapulehu; born were the chiefs Huaimanono (w), grandmother of Kekuaokalani, and Kauakahiheleikaiwi (w), grandmother of Liwai Ena, A. A. Haalelea, L. A. Coney, and L. M. Kekupuohiokapulikoliko.

Kauakahiheleikaiwi (w) married Kauakahiakua (k); born were Holoae (k), Pinea (w) Kukalohe (k), third husband of Moana, Kaukoko (k), father of Kekuhaupio, the warrior.

The genealogy of the chiefess give this sister of Kauaukahiaakua. However, it also give other parents. It says the parents of the brother and sister are:

FATHER: KA'ALO PI'I
MOTHER: KA-'ONOHI-'ULAOKALANI