half-second-cousin

Half-2C:
1- Parent's half-first-cousin's child.
2- Grandparent's half-sibling's grandchild.
3- Person who, in relation to the other person, has zero parents, zero grandparents and one great-grandparent in common.

My half-second-cousin is a good person.

half-second cousin

Grandparent's half-sibling's grandchild.

My half-second cousin is a good person.

half-second-cousin

1- Half-grandpibling's grandchild.
2- Living being that has zero parents, zero grandparents and one great-grandparent in common with other living beings.

Half-second-cousin.

second cousin-niece

Second cousin's daughter.

My second cousin-niece is a good girl.

step-second-cousin-in-law

1- Step-second-cousin's spouse.
2- Spouse's step-second-cousin.

step-second-cousin-in-law.

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.