Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and three great-great-great-grandparents in common.
Irregular-double-fourth-cousin.
by Cerejini May 21, 2024

My double-first great-cousin-pibling is a good person.
by Hgcloziw November 23, 2019

Double-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and four great-great-grandparents in common.
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and four great-great-grandparents in common.
My double-third-cousin is a good person.
by Gerald128 May 17, 2021

My double-great-cousin-aunt is a good person.
by Hgcloziw November 23, 2019

1- Child of cousin (parent's niece) and of granduncle (other parent's uncle) at the same time.
2- Child of cousin (parent's nephew) and of grandaunt (other parent's aunt) at the same time.
3- Child of cousin (parent's niece) and of other cousin (other parent's nephew) at the same time.
4- Child of grandaunt (grandparent's sister) and of granduncle (other grandparent's brother) at the same time.
5- Parent's double-cousin.
6- Double-cousin's child.
2- Child of cousin (parent's nephew) and of grandaunt (other parent's aunt) at the same time.
3- Child of cousin (parent's niece) and of other cousin (other parent's nephew) at the same time.
4- Child of grandaunt (grandparent's sister) and of granduncle (other grandparent's brother) at the same time.
5- Parent's double-cousin.
6- Double-cousin's child.
double-first-cousin-once-removed.
by Zabombini October 5, 2024

Son of their maternal first cousin’s child with the paternal first cousin’s child or double-first cousin’s grandson.
My double-great-cousin-nephew is a good person.
by Hgcloziw November 23, 2019

1- Child of parent's maternal half-sibling and of parent's paternal half-sibling at the same time.
2- Child of parent's half-sibling and of other parent's half-sibling at the same time.
3- Double-half-pibling's child / Two parents's half-nibling.
4- Person who, in relation to the other person, has zero parents and two grandparents on the same side (maternal or paternal) or two grandparents from different sides (one maternal grandparent and one paternal grandparent).
5- Double-half-first-cousin.
6- Double-half-1C.
2- Child of parent's half-sibling and of other parent's half-sibling at the same time.
3- Double-half-pibling's child / Two parents's half-nibling.
4- Person who, in relation to the other person, has zero parents and two grandparents on the same side (maternal or paternal) or two grandparents from different sides (one maternal grandparent and one paternal grandparent).
5- Double-half-first-cousin.
6- Double-half-1C.
My double-half-cousin is a good person.
by TAYLORGLOSS October 21, 2021
