Usery's definitions

4.5-tuple-3C

4.5-tuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, nine great-great-grandparents in common and different seven great-great-grandparents.

My 4.5-tuple-3C is a good person.

by Usery May 2, 2021

double-1C1R

Double-first-cousin-once-removed: child of their grandparent’s full sibling with the other grandparent’s full sibling or child of their maternal first cousin with the paternal first cousin or double-first cousin’s child or child of their parent's parent's full sibling with the other parent’s full sibling's child.

My double-1C1R is a good person.

by Usery May 2, 2021

double-2C

Double-second-cousin: has among themselves; different two parents, different four grandparents, four great-grandparents in common and different four great-grandparents.

My double-2C is a good person.

by Usery May 2, 2021

half-cousin

Parent's half-sibling's child.

My half-cousin is a good person.

by Usery May 2, 2021

3C

Third-cousin: great-grandparent's full sibling's great-grandchild. Has among themselves; different two parents, different four grandparents, different eight great-grandparents, two great-great-grandparents in common and different fourteen great-great-grandparents.

My 3C is a good person.

by Usery May 2, 2021

octuple-3C

Octuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents and sixteen great-great-grandparents in common.

My octuple-3C is a good person.

by Usery May 2, 2021

sesqui-1C2R

Sesqui-first cousin-twice-removed: child of their great-grandparent’s full sibling with the other great-grandparent’s half-sibling or grandchild of their parent’s full sibling's child with the other parent’s half-sibling's child or sesqui-first cousin’s grandchild or child of their parent's grandparent's full sibling with the other parent’s half-sibling's grandchild or child of their parent's grandparent's half-sibling with the other parent’s full sibling's grandchild or child of their parent's parent's half-sibling's child with the other parent’s sibling's child's child or child of their parent's parent's sibling's child with the other parent’s half-sibling's child's child.

My sesqui-1C2R is a good person.

by Usery May 2, 2021