Definitions by Usery

double-1C2R 

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

My double-1C2R is a good person.

double-1C2R 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.

sesqui-1C2R by Usery May 2, 2021

half-1C2R

Half-first cousin-twice-removed: grandparent’s half-cousin or half-cousin’s grandchild.

My half-1C2R is a good person.

half-1C2R 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.

double-1C1R by Usery May 2, 2021

double-cousin 

Child of their parent’s full sister with the other parent’s full brother. Has among themselves; different two parents and four grandparents in common.

My double-cousin is a good person.

double-cousin by Usery May 2, 2021

sesqui-cousin 

Child of their parent’s half-sibling with the other parent’s full sibling. Has among themselves; different two parents, three grandparents in common and different one grandparent.

My sesqui-cousin is a good person.

sesqui-cousin by Usery May 2, 2021

cousin 

Parent's sibling's child. Has among themselves; different two parents, two grandparents in common and different two grandparents.

My cousin is a good person.

cousin by Usery May 2, 2021