niece

Sibling's daughter.

Niece.

half-great-niece

Half-sibling's granddaughter.

My half-great-niece is a good girl.

half-great-niece

Half-sibling's granddaughter.

half-great-niece.

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.

third cousin-niece

Third cousin's daughter.

My third cousin-niece is a good girl.

second cousin-niece

Second cousin's daughter.

My second cousin-niece is a good girl.

sesqui-first great-cousin-niece

Sesqui-first cousin’s granddaughter.

My sesqui-first great-cousin-niece is a good person.