My sesqui-first great-cousin-pibling is a good person.
By Elisabeth
Sesqui-cousin
A child of a parent'shalf-sibling with the other parent’s full sibling; the relative who has with the other person only three grandparents in common, but parents are different.
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.
1- Child of their parent’s full sibling with the other parent’s half-sibling.
2- Person who, in relation to the other person, has zero parents and three grandparents in common.
3- Sesqui-first-cousin.
4- Sesqui-1C.