1- Great-great-great-grandparent's sibling's grandchild / Great-grandparent's second-cousin.
2- Grandparent's sibling's great-great-great-grandchild / Second-cousin's great-grandchild.
2- Grandparent's sibling's great-great-great-grandchild / Second-cousin's great-grandchild.
My second-cousin-thrice-removed is a good person.
by ZJO8738 October 3, 2021
Get the second-cousin-thrice-removedmug. Second-cousin-nine-times-removed (2C9R).
My second-cousin-9X-removed is a good person.
by N8953SW June 26, 2021
Get the second-cousin-9X-removedmug. by Hgcloziw November 23, 2019
Get the third cousin-niecemug. 13.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-seven great-great-great-grandparents in common.
My 13.5-tuple-fourth-cousin is a good person.
by ABGR June 9, 2021
Get the 13.5-tuple-fourth-cousinmug. 
1- Grandparent's sesqui-first-cousin.
2- Sesqui-first-cousin's grandchild.
3 - Child of the parent's half-grandpibling with the other parent's grandpibling.
4 - Child of the parent's half-grandnibling with the other parent's grandnibling.
5 - Child of the parent's half-grandnibling with the other parent's grandpibling.
6 - Child of the parent's half-grandpibling with the other parent's grandnibling.
2- Sesqui-first-cousin's grandchild.
3 - Child of the parent's half-grandpibling with the other parent's grandpibling.
4 - Child of the parent's half-grandnibling with the other parent's grandnibling.
5 - Child of the parent's half-grandnibling with the other parent's grandpibling.
6 - Child of the parent's half-grandpibling with the other parent's grandnibling.
My sesqui-first-cousin-twice-removed is a good person.
by ZJO8738 October 3, 2021
Get the sesqui-first-cousin-twice-removedmug. Parent's half-sibling's child. Has among themselves; different two parents, one grandparent in common and different three grandparents.
My half-cousin is a good person.
by Usery May 2, 2021
Get the half-cousinmug.