sesterple-third-cousin

Sesterple-3C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and five great-great-grandparents in common.

My sesterple-third-cousin is a good person.

third-cousin-9X-removed

Third-cousin-nine-times-removed (3C9R).

My third-cousin-9X-removed is a good person.

double-third-cousin

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

Double-third-cousin.

double-third-cousin

Double-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and four great-great-grandparents in common.

My double-third-cousin is a good person.

double-third-cousin

Living being that has zero parents, zero grandparents, zero great-grandparents and four great-great-grandparents in common with other living beings.

double-third-cousin.

step-third-cousin

1- Step-great-grandpibling's great-grandchild.
2- Great-grandpibling's step-great-grandchild.
3- Step-3C.

My step-third-cousin is a good person.

third cousin-nibling

Third cousin's child.

My third cousin-nibling is a good person.