Someone who, in relation to others, has zero parents, zero grandparents and three great-grandparents in common.
Irregular-double-second-cousin.
Living being that has zero parents, zero grandparents and three great-grandparents in common with other living beings.
irregular-double-second-cousin
Someone who, in relation to others, has zero parents, zero grandparents and four great-grandparents in common.
Double-2C:
Person who, in relation to the other person, has zero parents, zero grandparents and four great-grandparents in common.
My double-second-cousin is a good person.
Child of their parent's double-first cousins or are the child of their parent’s first cousin with their other parent’s first cousin or are the child of their parent’s maternal first cousin with their parent’s paternal first cousin.
My double-second cousin is a good person.
Living being that has zero parents, zero grandparents and four great-grandparents in common with other living beings.