The grandchild-in-law of one's parent-in-law's sibling.
My co-cousin-nibling-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-cousin-nibling-in-lawmug. by Hgcloziw November 23, 2019
Get the third cousin-niblingmug. Child of their maternal first cousin’s child with the paternal first cousin’s child or double-first cousin’s grandchild.
My double-first great-cousin-nibling is a good person.
by Hgcloziw November 23, 2019
Get the double-first great-cousin-niblingmug. 
Third cousin's grandchild.
by Gtopql November 23, 2019
Get the third great-cousin-niblingmug. First cousin's great-great-grandson.
My great-great-great-cousin-nibling is a good person.
by Gtopql November 23, 2019
Get the great-great-great-cousin-niblingmug. 
Get the half-cousin-niblingmug.