Sesqua-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and seven great-great-great-grandparents in common.
My sesqua-fourth-cousin is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and thirteen great-great-great-grandparents in common.
Irregular-septuple-fourth-cousin.
Sesterple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and five great-great-great-grandparents in common.
My sesterple-fourth-cousin is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-five great-great-great-grandparents in common.
Irregular-tredecuple-fourth-cousin.
7.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and fifteen great-great-great-grandparents in common.
My 7.5-tuple-fourth-cousin is a good person.
12.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-five great-great-great-grandparents in common.
My 12.5-tuple-fourth-cousin is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and thirty great-great-great-grandparents in common.