1- Third-cousin-once-removed's spouse.
2- Spouse's third-cousin-once-removed.
My third-cousin-once-removed-in-law is a good person.
1. The husband of one's grandparent's sibling's daughter.
2. The son of one's grandparent-in-law's sibling.
My cousin-uncle-in-law is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and thirteen great-great-grandparents in common.
Irregular-septuple-third-cousin.
Sesquaple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and seven great-grandparents in common.
My sesquaple-second-cousin is a good person.
Daughter of their maternal first cousin with the paternal first cousin or double-first cousin’s daughter.
My double-first cousin-niece is a good person.
Grandparent's female third cousin.
My third great-cousin-aunt is a good person.