Half-sibling's great-granddaughter.
My half-great-great-niece is a good person.
Half-sibling's great-granddaughter.
half-great-great-niece.
First cousin's great-great-granddaughter.
My first great-great-great-cousin-niece is a good person.
First cousin's great-great-granddaughter.
My great-great-great-cousin-niece is a good person.
1. The granddaughter-in-law of one's sibling.
2. The granddaughter of one's spouse's sibling.
My great-niece-in-law is a good person.
Daughter of their maternal first cousin’s child with the paternal first cousin’s child or double-first cousin’s granddaughter.
My double-great-cousin-niece is a good person.