half-grandnephew

Half-sibling's grandson.

My half-grandnephew is a good boy.

half-grandnephew

Half-sibling's grandson.

Half-grandnephew.

half-great-grandnephew

Half-sibling's great-grandson.

My half-great-grandnephew is a good person.

half-great-great-grandnephew

Half-sibling's great-great-grandson.

My half-great-great-grandnephew is a good person.

half-great-great-grandnephew

Half-sibling's great-great-grandson.

half-great-great-grandnephew.