quadruple-third-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and eight great-great-grandparents in common.

Quadruple-third-cousin.

quadruple-third-cousin

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.

quadruple-third-cousin

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.

sesqua-third-cousin

Sesqua-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and seven great-great-grandparents in common.

My sesqua-third-cousin is a good person.

third-cousin-7X-removed

Third-cousin-seven-times-removed (3C7R).

My third-cousin-7X-removed is a good person.

third cousin-nibling

Third cousin's child.

My third cousin-nibling is a good person.

irregular-octuple-third-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and fifteen great-great-grandparents in common.

Irregular-octuple-third-cousin.