first-cousin-twice-removed

1- Grandparent's first-cousin.
2- First-cousin's grandchild.

My first-cousin-twice-removed is a good person.

first-cousin-twice-removed

1- Great-grandparent's sibling's child / Grandparent's first-cousin.
2- Parent's sibling's great-grandchild / First-cousin's grandchild.

My first-cousin-twice-removed is a good person.

first-cousin-twice-removed

1- Grandparent's cousin.
2- Cousin's grandchild.

first-cousin-twice-removed.

double-fourth-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and four great-great-great-grandparents in common.

Double-fourth-cousin.

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.

sesquiple-first-cousin-once-removed

1- Child of their parent’s half-pibling with the other parent’s pibling.
2- Child of their parent’s half-nibling with the other parent’s nibling.
3- Child of their parent’s half-pibling with the other parent’s nibling.
4- Child of their parent’s pibling with the other parent’s half-nibling.
5- Parent's sesquiple-first-cousin.
6- Sesquiple-first-cousin's child.
7- Sesqui-first-cousin-once-removed.

My sesquiple-first-cousin-once-removed is a good person.

cousin-nibling

First cousin's child.

My cousin-nibling is a good person.