1. The spouse of one's grandparent's sibling's grandchild.
2. The grandchild of one's grandparent-in-law's sibling.
My second cousin-in-law is a good person.
by Elivaldeq November 24, 2019
Get the second cousin-in-law neck gaiter and mug.
1- Second-cousin-once-removed's spouse.
2- Spouse's second-cousin-once-removed.
3- 2C1R-in-law.
My second-cousin-once-removed-in-law is a good person.
by User655 July 25, 2021
Get the second-cousin-once-removed-in-law neck gaiter and mug.