Quintuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, ten great-great-grandparents in common and different six great-great-grandparents.
My quintuple-3C is a good person.
7.5-tuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, fifteen great-great-grandparents in common and different one great-great-grandparent.
My 7.5-tuple-3C is a good person.
1- Third-cousin's spouse.
2- Spouse's third-cousin.
My 3C-in-law is a good person.
Septuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, fourteen great-great-grandparents in common and different two great-great-grandparents.
My septuple-3C is a good person.
Octuple-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents and sixteen great-great-grandparents in common.
My octuple-3C is a good person.
Spouse's third-cousin's spouse.
My co-3C-in-law is a good person.
Double-third-cousin: has among themselves; different two parents, different four grandparents, different eight great-grandparents, four great-great-grandparents in common and different twelve great-great-grandparents.
My double-3C is a good person.