Usery's definitions
Parent's half-sibling's child; the relative who has with the other person only one grandparent in common, but parents are different.
My half-cousin is a good person.
by Usery May 2, 2021

My half-sibling is a good person.
by Usery May 3, 2021

Sesqua-second-cousin: has among themselves; different two parents, different four grandparents, seven great-grandparents in common and different one great-grandparent.
My sesqua-2C is a good person.
by Usery May 2, 2021

Second-cousin: grandparent's full sibling's grandchild. Has among themselves; different two parents, different four grandparents, two great-grandparents in common and different six great-grandparents.
My 2C is a good person.
by Usery May 2, 2021

Sesqua-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, seven great-great-grandparents in common and different nine great-great-grandparents.
My sesqua-3C is a good person.
by Usery May 2, 2021

Sester-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, five great-great-grandparents in common and different eleven great-great-grandparents.
My sester-3C is a good person.
by Usery May 2, 2021
