first cousin-in-law

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-in-law

First cousin's spouse or spouse's first cousin.

My first cousin-in-law is a educated person.

first-cousin-in-law

1- First-cousin's spouse.
2- Spouse's first-cousin.
3- Cousin-in-law.

My first-cousin-in-law is a good person.

third-cousin-3X-removed

Third-cousin-thrice-removed (3C3R).

My third-cousin-3X-removed is a good person.

seventh-cousin-8X-removed

Seventh-cousin-eight-times-removed (7C8R).

My seventh-cousin-8X-removed is a good person.

sesqui-cousin-aunt

Daughter of their grandparent’s half-sibling with the other grandparent’s full sibling.

My sesqui-cousin-aunt is a good person.

tenth-cousin-6X-removed

Tenth-cousin-six-times-removed (10C6R).

My tenth-cousin-6X-removed is a good person.