half-grandnephew

Half-sibling's grandson.

Half-grandnephew.

3X-grandnephew

Great-great-grandnephew.

My 3X-grandnephew is a good person.

6X-grandnephew

Great-great-great-great-great-grandnephew.

My 6X-grandnephew is a good person.

7X-grandnephew

Great-great-great-great-great-great-grandnephew.

My 7X-grandnephew is a good person.

10X-grandnephew

Great-great-great-great-great-great-great-great-great-grandnephew.

My 10X-grandnephew is a good person.

8X-grandnephew

Great-great-great-great-great-great-great-grandnephew.

My 8X-grandnephew is a good person.

great-grandnephew-by-marriage

Spouse's great-grandnephew.

My great-grandnephew-by-marriage is a good person.