first-cousin-thrice-removed-in-law

1- First-cousin-thrice-removed's spouse.
2- Spouse's first-cousin-thrice-removed.

My first-cousin-thrice-removed-in-law is a good person.

first co-cousin-in-law

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

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

first-cousin-thrice-removed

1- Great-grandparent's cousin.
2- Cousin's great-grandchild.

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

first-cousin-thrice-removed

1- Great-grandparent's first-cousin.
2- First-cousin's great-grandchild.

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

first-cousin-thrice-removed

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

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

first-cousin-thrice-removed

1- Great-grandparent's cousin.
2- Cousin's great-grandchild.

first-cousin-thrice-removed.

double-first-cousin-twice-removed

1- Child of their parent’s grandpibling with the other parent’s grandpibling.
2- Child of their parent’s grandnibling with the other parent’s grandnibling.
3- Child of their parent’s grandpibling with the other parent’s grandnibling.
4- Grandparent's double-first-cousin.
5- Double-first-cousin's grandchild.

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