Double-2C:
Person who, in relation to the other person, has zero parents, zero grandparents and four great-grandparents in common.
My double-second-cousin is a good person.
Child of their parent's double-first cousins or are the child of their parent’s first cousin with their other parent’s first cousin or are the child of their parent’s maternal first cousin with their parent’s paternal first cousin.
My double-second cousin is a good person.
Living being that has zero parents, zero grandparents and four great-grandparents in common with other living beings.
1- Great-grandparent's double-first-cousin.
2- Double-first-cousin's great-grandchild.
3 - Child of the parent's great-grandpibling with the other parent's great-grandpibling.
4 - Child of the parent's great-grandnibling with the other parent's great-grandnibling.
5 - Child of the parent's great-grandnibling with the other parent's great-grandpibling.
My double-first-cousin-thrice-removed is a good person.
Daughter of their grandparent’s full sibling with the other grandparent’s full sibling.
My double-cousin-aunt is a good person.
Son of their great-grandparent’s full sibling with the other great-grandparent’s full sibling.
My double-great-cousin-uncle is a good person.
Son of their maternal first cousin’s child with the paternal first cousin’s child or double-first cousin’s grandson.
My double-great-cousin-nephew is a good person.