double-first-cousin

1- Child of uncle (father's brother) and of aunt (mother's sister) at the same time.
2- Child of uncle (mother's brother) and of aunt (father's sister) at the same time.
3- Someone who, in relation to others, has zero parents and four grandparents in common.

Double-first-cousin.

double-first-cousin

Double-cousin or double-1C:
1- Child of their parent’s full sibling with the other parent’s full sibling.
2- Person who, in relation to the other person, has zero parents and four grandparents in common.

My double-first-cousin is a good person.

double-first cousin

Child of a person's maternal aunt (mother’s sister) with that same person's paternal uncle (father’s brother) or child of a person's paternal aunt (father’s sister) with that same person's maternal uncle (mother’s brother).

My double-first cousin is a good person.

first 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 first step-cousin-niece is a good person.

first-cousin-4X-removed

First-cousin-four-times-removed (1C4R).

My first-cousin-4X-removed is a good person.

first great-cousin-nephew

First cousin's grandson.

My first great-cousin-nephew is a good boy.

first cousin-pibling

Parent's first cousin.

My first cousin-pibling is a good person.