Half-sibling's great-granddaughter.
My half-great-great-niece is a good person.
by Gtopql November 23, 2019
Get the half-great-great-niecemug. 1- Daughter of maternal half-sister and of paternal half-brother at the same time.
2- Daughter of paternal half-sister and of maternal half-brother at the same time.
2- Daughter of paternal half-sister and of maternal half-brother at the same time.
My double-half-niece is a good person.
by Peter12369 October 21, 2021
Get the double-half-niecemug. 
Get the half-great-niecemug.