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.
1- Child of uncle (father's brother) and of half-aunt (mother's half-sister) at the same time.
2- Child of uncle (mother's brother) and of half-aunt (father's half-sister) at the same time.
3- Child of aunt (father's sister) and of half-uncle (mother's half-brother) at the same time.
4- Child of aunt (mother's sister) and of half-uncle (father's half-brother) at the same time.
5- Someone who, in relation to others, has zero parents and three grandparents in common.
Irregular-double-first-cousin.
The gay version of "wiener cousins". When multiple men have experienced the same butthole.
John and Brian are butthole cousins after they both dated Sean.