Spouse's great-grandnibling's spouse.
My co-great-grandnibling-in-law is a good person.
by JAMP12 September 21, 2021
Get the co-great-grandnibling-in-lawmug. 
Get the co-grandnibling-in-lawmug. grandnibling-in-law.
by Simaduria July 27, 2024
Get the grandnibling-in-lawmug. Spouse's grandnibling's spouse.
My grandnibling-by-marriage-in-law is a good person.
by NSBC968755 February 25, 2023
Get the grandnibling-by-marriage-in-lawmug. Spouse's great-grandnibling's spouse.
My great-grandnibling-by-marriage-in-law is a good person.
by NSBC968755 February 25, 2023
Get the great-grandnibling-by-marriage-in-lawmug. 
Get the step-co-grandnibling-in-lawmug. The grandchild-in-law of one's spouse's sibling.
My co-grandnibling-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-grandnibling-in-lawmug.