1. The spouse of one's grandparent's sibling's child.
2. The child of one's grandparent-in-law's sibling.
My cousin-pibling-in-law is a good person.
1. The child-in-law of one's parent's sibling.
2. The child of one's parent-in-law's sibling.
My first cousin-in-law is a good person.
First cousin's spouse or spouse's first cousin.
My first cousin-in-law is a educated person.
1- First-cousin's spouse.
2- Spouse's first-cousin.
3- Cousin-in-law.
My first-cousin-in-law is a good person.
1- Third-cousin's spouse.
2- Spouse's third-cousin.
3- 3C-in-law.
My third-cousin-in-law is a good person.
The child-in-law of one's parent-in-law's sibling.
My co-cousin-in-law is a good person.