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.

second great-great-cousin-niece

Second cousin's great-granddaughter.

My second great-great-cousin-niece is a good person.

sesqui-first cousin-niece

Sesqui-first cousin’s daughter.

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

first co-cousin-niece-in-law

The granddaughter-in-law of one's parent-in-law's sibling.

My first co-cousin-niece-in-law is a good person.

cousin-niece

First cousin's daughter.

My cousin-niece is a good girl.

half-first cousin-niece

Half-first cousin's daughter.

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

sesqui-cousin-niece

Sesqui-first cousin’s daughter.

My sesqui-cousin-niece is a good person.