Spouse's great-grandpibling's husband.
My co-great-granduncle-in-law is a good person.
by Wonbig October 13, 2021
Get the co-great-granduncle-in-lawmug. 
Get the great-great-grandunclemug. My great-great-granduncle-in-law is a good person.
by Wonbig October 13, 2021
Get the great-great-granduncle-in-lawmug. My step-great-granduncle is a good person.
by User655 July 25, 2021
Get the step-great-grandunclemug. 
Get the great-grandunclemug. Great-grandpibling's husband.
My great-granduncle-by-marriage is a good person.
by NSBC968755 February 25, 2023
Get the great-granduncle-by-marriagemug.