Great-great-grandparent's parent.
My great-great-great-grandparent is a good person.
Great-great-grandparent's parent.
great-great-great-grandparent.
A grandparent’s sibling. A gender-neutral term for great-uncle/great-aunt.
One of my non-biological great-piblings has a super sexy granddaughter that I had a crush on. She’s not my second cousin.
Sibling's great-great-great-grandchild.
great-great-great-grandnibling.
Sibling's great-great-great-grandchild.
My great-great-great-grandnibling is a good person.