1. The child-in-law of one's half-sibling.
2. The child of one's spouse's half-sibling.
My half-nibling-in-law is a good person.
1- Half-nibling's spouse.
2- Spouse's half-nibling.
half-nibling-in-law.
Child of a paternal half-sister with maternal half-brother or child of a maternal half-sister with paternal half-brother.
My double-half-nibling is a good person.
1- Child of maternal half-sister and of paternal half-brother at the same time.
2- Child of paternal half-sister and of maternal half-brother at the same time.
My double-half-nibling is a good person.
Half-first cousin’s grandchild.
My half-great-cousin-nibling is a good person.