half-great-great-nephew

Half-sibling's great-grandson.

half-great-great-nephew.

grandoffspring

Child's child.

Grandoffspring.

great-aunt

Grandparent's sister.

great-aunt.

half-great-great-niece

Half-sibling's great-granddaughter.

half-great-great-niece.

half-great-great-great-nephew

Half-sibling's great-great-grandson.

half-great-great-great-nephew.

unrelated

1- Collateral relative's spouse's ascendant.
2- Collateral relative's spouse's collateral relative.
3- Descendant's spouse's ascendant. Except in the case of the child-in-law's parent, who is the co-parent-in-law.
4- Descendant's spouse's collateral relative.
5- Spouse's collateral relative's spouse's ascendant.
6- Spouse's collateral relative's spouse's collateral relative.
7- Absence of any type of kinship.

Unrelated.

nonrelated

1- Collateral relative's spouse's ascendant.
2- Collateral relative's spouse's collateral relative.
3- Descendant's spouse's ascendant. Except in the case of the child-in-law's parent, who is the co-parent-in-law.
4- Descendant's spouse's collateral relative.
5- Spouse's collateral relative's spouse's ascendant.
6- Spouse's collateral relative's spouse's collateral relative.
7- Absence of any type of kinship.

Nonrelated.