Complex sentence: Her mother was Laura Kōnia (c 1808-1857), the younger daughter of Ke Alii Pauli Kaōleiokū (1767--1818), by his second wife, Alii Kahailiopua Luahine.
Split into simpler sentences: Her mother was Laura Kōnia (c 1808-1857). She was the younger daughter of Alii Pauli Kaōleiokū (1767--1818), by his second wife, Alii Kahailiopua Luahine.