double-first cousin-nibling

Child of their maternal first cousin with the paternal first cousin or double-first cousin’s child.

My double-first cousin-nibling is a good person.

half-first great-cousin-pibling

Grandparent’s half-first cousin.

My half-first great-cousin-pibling is a good person.

half-first great-cousin-nibling

Half-first cousin’s grandchild.

My half-first great-cousin-nibling is a good person.

first great-great-cousin-nibling

First cousin's great-grandchild.

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

quadruple-half-first-cousin

1- Child of double-half-aunt (daughter of maternal grandmother and of paternal grandfather) and of double-half-uncle (son of paternal grandmother and of maternal grandfather) at the same time.
2- Child of double-half-aunt (daughter of paternal grandmother and of maternal grandfather) and of double-half-uncle (son of maternal grandmother and of paternal grandfather) at the same time.
3- Person who, in relation to the other person, has zero parents and four grandparents in common (in different manners that the double-first-cousin).
4- Quadruple-half-cousin.
5- Quadruple-half-1C.

My quadruple-half-first-cousin is a good person.

step-first-cousin-once-removed-in-law

1- Step-first-cousin-once-removed's spouse.
2- Spouse's step-first-cousin-once-removed.

step-first-cousin-once-removed-in-law.

half-first cousin-niece

Half-first cousin's daughter.

My half-first cousin-niece is a good girl.