Spouse's nibling's spouse.
My nibling-by-marriage-in-law is a good person.
by NSBC968755 February 25, 2023
Get the nibling-by-marriage-in-lawmug. The grandson-in-law of one's spouse's sibling.
My co-grandnephew-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-grandnephew-in-lawmug. stepgrandaunt-in-law.
by Simaduria July 27, 2024
Get the stepgrandaunt-in-lawmug.