great-great-great-grandniece
Sibling's great-great-great-granddaughter.
My great-great-great-grandniece is a good person.
half-great-grandniece
Half-sibling's great-granddaughter.
My half-great-grandniece is a good person.
great-grandniece-in-law
1- Great-grandnephew's wife.
2- Spouse's great-grandniece.
2- Spouse's great-grandniece.
My great-grandniece-in-law is a good person.
great-grandniece-in-law
1- Great-grandnibling's wife.
2- Spouse's great-grandniece.
2- Spouse's great-grandniece.
My great-grandniece-in-law is a good person.
great-great-grandniece-in-law
1- Great-great-grandnephew's wife.
2- Spouse's great-great-grandniece.
2- Spouse's great-great-grandniece.
My great-great-grandniece-in-law is a good person.
great-great-grandniece-in-law
1- Great-great-grandnibling's wife.
2- Spouse's great-great-grandniece.
2- Spouse's great-great-grandniece.
My great-great-grandniece-in-law is a good person.
great-grandniece-by-marriage
Spouse's great-grandniece.
My great-grandniece-by-marriage is a good person.