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.
My third great-cousin-nephew is a good person.
1- Half-great-grandpibling's great-grandchild.
2- Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents and one great-great-grandparent in common.
1- Half-great-grandpibling's great-grandchild.
2- Living being that has zero parents, zero grandparents, zero great-grandparents and one great-great-grandparent in common with other living beings.