1. The wife of one's grandparent's sibling's son.
2. The daughter of one's grandparent-in-law's sibling.
My first cousin-aunt-in-law is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-three great-great-great-grandparents in common.
Irregular-duodecuple-fourth-cousin.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and nineteen great-great-great-grandparents in common.
Irregular-decuple-fourth-cousin.
14.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-nine great-great-great-grandparents in common.
My 14.5-tuple-fourth-cousin is a good person.
Third-cousin-nine-times-removed (3C9R).
My third-cousin-9X-removed is a good person.
Fourth-cousin-five-times-removed (4C5R).
My fourth-cousin-5X-removed is a good person.