Sibling's great-great-great-granddaughter.
My great-great-great-great-niece is a good person.
by Gtopql November 23, 2019
Get the great-great-great-great-niecemug. 
Get the great-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. 
Get the half-great-great-niecemug. Your sibling’s granddaughter.
My mother is not a grandma, but her sister and brother are which means she has a few great-nieces.
My non-biological paternal grandfather has a super beautiful great-niece who is the granddaughter of his youngest brother.
My non-biological paternal grandfather has a super beautiful great-niece who is the granddaughter of his youngest brother.
by AntiCircumcisionMan October 21, 2022
Get the Great-Niecemug. First cousin's great-granddaughter.
by Hgcloziw November 23, 2019
Get the first great-great-cousin-niecemug. First cousin's great-great-granddaughter.
My great-great-great-cousin-niece is a good person.
by Gtopql November 23, 2019
Get the great-great-great-cousin-niecemug.