Sibling's great-great-great-grandson.
My great-great-great-grandnephew is a good person.
by Gtopql November 23, 2019
Get the great-great-great-grandnephewmug. Half-sibling's great-great-great-grandson.
My half-great-great-great-grandnephew is a good person.
by Seo48787 October 28, 2021
Get the half-great-great-great-grandnephewmug. Spouse's great-grandnibling's husband.
My co-great-grandnephew-in-law is a good person.
by Wonbig October 13, 2021
Get the co-great-grandnephew-in-lawmug. 
Get the great-great-grandnephewmug. Great-great-great-great-great-grandnephew.
My 6X-grandnephew is a good person.
by N8953SW June 26, 2021
Get the 6X-grandnephewmug. 
Get the great-grandnephewmug. 