1. The daughter-in-law of one's sibling.
2. The daughter of one's spouse's sibling.
My niece-in-law is a good person.
1- Nibling's wife.
2- Spouse's niece.
My niece-in-law is a good person.
Half-sibling's great-granddaughter.
My half-great-great-niece is a good person.
Half-sibling's great-granddaughter.
half-great-great-niece.
The daughter-in-law of one's spouse's sibling.
My co-niece-in-law is a good person.