Great-great-great-great-great-great-great-great-grandaunt.
My 9X-grandaunt is a good person.
by N8953SW June 26, 2021
Get the 9X-grandauntmug. Great-grandpibling's wife.
My great-grandaunt-by-marriage is a good person.
by NSBC968755 February 25, 2023
Get the great-grandaunt-by-marriagemug. Spouse's great-granduncle's wife.
My co-great-grandaunt-in-law is a good person.
by JAMP12 September 21, 2021
Get the co-great-grandaunt-in-lawmug. My great-great-grandaunt-in-law is a good person.
by Wonbig October 13, 2021
Get the great-great-grandaunt-in-lawmug. 
Get the grandaunt-by-marriagemug. Spouse's great-great-granduncle's wife.
My co-great-great-grandaunt-in-law is a good person.
by JAMP12 September 21, 2021
Get the co-great-great-grandaunt-in-lawmug. My great-grandaunt-in-law is a good person.
by Gerald128 April 7, 2021
Get the great-grandaunt-in-lawmug.