1-
Child of their parent’s half-grandpibling with the other parent’s grandpibling.
2-
Child of their parent’s half-grandnibling with the other parent’s grandnibling.
3-
Child of their parent’s half-grandpibling with the other parent’s grandnibling.
4- Child of their parent’s grandpibling with the other parent’s half-grandnibling.
5- Grandparent's sesqui-first-cousin.
6- Sesqui-first-cousin's grandchild.