1. The son of one's grandparent's stepsibling.
2. The stepson of one's grandparent's sibling.
3. The son of one's stepgrandparent's sibling.
My first step-cousin-uncle is a good person.
1- Grandparent's third-cousin.
2- Third-cousin's grandchild.
My third-cousin-twice-removed is a good person.
1- Great-great-great-grandparent's sibling's great-grandchild / Grandparent's third-cousin.
2- Great-grandparent's sibling's great-great-great-grandchild / Third-cousin's grandchild.
My third-cousin-twice-removed is a good person.
1- Grandparent's third-cousin.
2- Third-cousin's grandchild.
third-cousin-twice-removed.
The act of categorizing someone as a distinct family although they are not.
"Guys you are practically family to me, I wish we could be Cousined together."
"You are part of the family now, you have been Cousined."
Son of their great-grandparent’s full sibling with the other great-grandparent’s full sibling.
My double-first great-cousin-uncle is a good person.