sesqui-second-cousin

Sesqui-2C:
Person who, in relation to the other person, has zero parents, zero grandparents and three great-grandparents in common.

My sesqui-second-cousin is a good person.

sesqui-second cousin

Child of their parent's sesqui-first cousins or are the child of their parent’s half-first cousin with their other parent’s first cousin.

My sesqui-second cousin is a good person.

second great-cousin-nibling

Second cousin's grandchild.

My second great-cousin-nibling is a good person.

second-cousin-6X-removed

Second-cousin-six-times-removed (2C6R).

My second-cousin-6X-removed is a good person.

second cousin-niece

Second cousin's daughter.

My second cousin-niece is a good girl.

second-cousin-3X-removed

Second-cousin-thrice-removed (2C3R).

My second-cousin-3X-removed is a good person.

sesquiple-second-cousin

Sesquiple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and three great-grandparents in common.

My sesquiple-second-cousin is a good person.