The grandchild-in-law of one's parent-in-law's sibling.
by Elivaldeq November 24, 2019
Get the first co-cousin-nibling-in-lawmug. 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. First cousin's great-grandchild.
My great-great-cousin-nibling is a good person.
by Hgcloziw November 23, 2019
Get the great-great-cousin-niblingmug. 
Get the half-co-nibling-in-lawmug. 
Get the half-great-great-niblingmug. 
Get the co-nibling-in-lawmug.