Child of their grandparent’s half-sibling with the other grandparent’s full sibling.
My sesqui-first cousin-pibling is a good person.
Grandparent's male third cousin.
My third great-cousin-uncle is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and twelve great-great-grandparents in common.
Sextuple-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and twelve great-great-grandparents in common.
My sextuple-third-cousin is a good person.
Living being that has zero parents, zero grandparents, zero great-grandparents and twelve great-great-grandparents in common with other living beings.
sextuple-third-cousin.
Spouse's fourth-cousin's spouse.
My co-fourth-cousin-in-law is a good person.
Someone at Australia is my cousin but that in law whom I just met is over.
Someone at Australia is my cousin but that in law whom I just met is over.