double-first cousin-nephew

Son of their maternal first cousin with the paternal first cousin or double-first cousin’s son.

My double-first cousin-nephew 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.

first step-cousin-nibling

1. The grandchild of one's parent's stepsibling.
2. The stepgrandchild of one's parent's sibling.
3. The grandchild of one's stepparent's sibling.

My first step-cousin-nibling is a good person.

co-cousin-in-law

The child-in-law of one's parent-in-law's sibling.

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

co-cousin-in-law

Spouse's cousin's spouse.

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