Great-great-grandparent's half-brother.
half-great-great-granduncle.
Spouse's great-grandpibling's husband.
My great-granduncle-by-marriage-in-law is a good person.
Great-great-great-great-great-granduncle.
My 6X-granduncle is a good person.
Great-great-great-great-great-great-great-granduncle.
My 8X-granduncle is a good person.