A fork of Rural Dictionary
1- Child of their parent’s half-pibling with the other parent’s pibling. 2- Child of their parent’s half-nibling with the other parent’s nibling. 3- Child of their parent’s half-pibling with the other parent’s nibling. 4- Child of their parent’s pibling with the other parent’s half-nibling. 5- Parent's sesqui-first-cousin. 6- Sesqui-first-cousin's child.
My sesqui-first-cousin-once-removed is a good person.