Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and nineteen great-great-great-grandparents in common.
Irregular-decuple-fourth-cousin.
by Cerejini May 21, 2024
Get the irregular-decuple-fourth-cousinmug. Tredecuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-six great-great-great-grandparents in common.
My tredecuple-fourth-cousin is a good person.
by ABGR June 9, 2021
Get the tredecuple-fourth-cousinmug. 
12.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-five great-great-great-grandparents in common.
My 12.5-tuple-fourth-cousin is a good person.
by ABGR June 9, 2021
Get the 12.5-tuple-fourth-cousinmug. Decuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty great-great-great-grandparents in common.
My decuple-fourth-cousin is a good person.
by ABGR June 9, 2021
Get the decuple-fourth-cousinmug. Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and thirteen great-great-great-grandparents in common.
Irregular-septuple-fourth-cousin.
by Cerejini May 21, 2024
Get the irregular-septuple-fourth-cousinmug. My fourth-cousin-in-law is a good person.
by JAMP12 September 21, 2021
Get the fourth-cousin-in-lawmug.