Great-grandparent's first cousin.
My first great-great-cousin-pibling is a good person.
My third great-cousin-pibling is a good person.
Child of their great-grandparent’s full sibling with the other great-grandparent’s full sibling.
My double-first great-cousin-pibling is a good person.
Great-great-grandparent's first cousin.
My first great-great-great-cousin-pibling is a good person.