Get the great-niecemug. 
The granddaughter-in-law of one's spouse's sibling.
My co-great-niece-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-great-niece-in-lawmug. My half-first great-cousin-niece is a good person.
by Gtopql November 23, 2019
Get the half-first great-cousin-niecemug. Daughter of their maternal first cousin with the paternal first cousin or double-first cousin’s daughter.
My double-cousin-niece is a good person.
by Hgcloziw November 23, 2019
Get the double-cousin-niecemug. 
Half-sibling's great-great-granddaughter.
My half-great-great-great-niece is a good person.
by Rwopazaq November 24, 2019
Get the half-great-great-great-niecemug.