1- Grandparent's cousin.
2- Cousin's grandchild.
My first-cousin-twice-removed is a good person.
1- Grandparent's first-cousin.
2- First-cousin's grandchild.
My first-cousin-twice-removed is a good person.
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.
1- Grandparent's cousin.
2- Cousin's grandchild.
first-cousin-twice-removed.
13.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-seven great-great-great-grandparents in common.
My 13.5-tuple-fourth-cousin is a good person.
My third great-cousin-nibling is a good person.
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-two great-great-great-grandparents in common.