Get the co-grandniece-in-lawmug. Half-sibling's great-great-granddaughter.
My half-great-great-grandniece is a good person.
by Rwopazaq November 24, 2019
Get the half-great-great-grandniecemug. Spouse's great-great-grandnibling's wife.
My co-great-great-grandniece-in-law is a good person.
by Wonbig October 13, 2021
Get the co-great-great-grandniece-in-lawmug. 
Spouse's grandnibling's wife.
My grandniece-by-marriage-in-law is a good person.
by NSBC968755 February 25, 2023
Get the grandniece-by-marriage-in-lawmug. Great-great-great-great-great-great-great-grandniece.
My 8X-grandniece is a good person.
by N8953SW June 26, 2021
Get the 8X-grandniecemug. My 4X-grandniece is a good person.
by KL198 June 25, 2021
Get the 4X-grandniecemug.