sesqui-cousin

Child of their parent’s half-sibling with the other parent’s full sibling.

My sesqui-cousin is a good person.

sesqui-cousin

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.

My sesqui-cousin is a good person.

sesqui-cousin-nibling

Sesqui-first cousin’s child.

My sesqui-cousin-nibling is a good person.

sesqui-great-cousin-pibling

Child of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.

My sesqui-great-cousin-pibling is a good person.

sesqui-great-cousin-aunt

Daughter of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.

My sesqui-great-cousin-aunt is a good person.

sesqui-great-cousin-uncle

Son of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.

My sesqui-great-cousin-uncle is a good person.

sesqui-first-cousin

Sesqui-cousin or sesqui-1C:
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.

My sesqui-first-cousin is a good person.