Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and eight great-great-grandparents in common.
Quadruple-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and eight great-great-grandparents in common.
My quadruple-third-cousin is a good person.
Living being that has zero parents, zero grandparents, zero great-grandparents and eight great-great-grandparents in common with other living beings.
quadruple-third-cousin.
Fifth-cousin-thrice-removed (5C3R).
My fifth-cousin-3X-removed is a good person.
Second-cousin-seven-times-removed (2C7R).
My second-cousin-7X-removed is a good person.
Tenth-cousin-four-times-removed (10C4R).
My tenth-cousin-4X-removed is a good person.
Great-great-grandparent's first cousin.
My first great-great-great-cousin-pibling is a good person.