double-fourth-cousin

Double-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and four great-great-great-grandparents in common.

My double-fourth-cousin is a good person.

second-cousin-3X-removed

Second-cousin-thrice-removed (2C3R).

My second-cousin-3X-removed is a good person.

ninth-cousin-7X-removed

Ninth-cousin-seven-times-removed (9C7R).

My ninth-cousin-7X-removed is a good person.

first step-cousin-nephew

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-nephew is a good person.

sesquiple-second-cousin

Sesquiple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and three great-grandparents in common.

My sesquiple-second-cousin is a good person.

cousin-pibling

Parent's first cousin.

My cousin-pibling is a good person.

sesqui-cousin-aunt

Daughter of their grandparent’s half-sibling with the other grandparent’s full sibling.

My sesqui-cousin-aunt is a good person.