third cousin-niece 

Third cousin's daughter.

My third cousin-niece is a good girl.

third cousin-niece by Hgcloziw November 23, 2019

sesqui-cousin-niece 

Sesqui-first cousin’s daughter.

My sesqui-cousin-niece is a good person.

sesqui-cousin-niece by Hgcloziw November 23, 2019

double-cousin-niece 

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.

double-cousin-niece by Hgcloziw November 23, 2019

fourth cousin-niece

Fourth cousin's daughter.

My fourth cousin-niece is a good girl.

fourth cousin-niece by Hgcloziw November 23, 2019

step-cousin-niece

1. The granddaughter of one's parent's stepsibling.
2. The stepgranddaughter of one's parent's sibling.
3. The granddaughter of one's stepparent's sibling.

My step-cousin-niece is a good person.

step-cousin-niece by Elivaldeq November 24, 2019

first great-cousin-niece 

First cousin's granddaughter.

My first great-cousin-niece is a good girl.

first great-cousin-niece by Hgcloziw November 23, 2019

great-great-cousin-niece 

First cousin's great-granddaughter.

My great-great-cousin-niece is a good girl.

great-great-cousin-niece by Hgcloziw November 23, 2019