Double-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and four great-great-grandparents in common.
My double-third-cousin is a good person.
Living being that has zero parents, zero grandparents, zero great-grandparents and four great-great-grandparents in common with other living beings.
double-third-cousin.
1- Great-grandparent's sesqui-first-cousin.
2- Sesqui-first-cousin's great-grandchild.
3 - Child of the parent's half-great-grandpibling with the other parent's great-grandpibling.
4 - Child of the parent's half-great-grandnibling with the other parent's great-grandnibling.
5 - Child of the parent's half-great-grandnibling with the other parent's great-grandpibling.
6 - Child of the parent's half-great-grandpibling with the other parent's great-grandnibling.
My sesqui-first-cousin-thrice-removed is a good person.
Fourth-cousin-ten-times-removed (4C10R).
My fourth-cousin-10X-removed is a good person.
Great-grandparent's male first cousin.
My great-great-cousin-uncle is a good person.
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.