Spouse's half-nibling's husband.
My half-co-nephew-in-law is a good person.
half-co-nephew-in-law.
Half-sibling's son.
My half-nephew is a good person.
Half-nephew.
Half-first cousin's son.
My half-first cousin-nephew is a good boy.
Half-first cousin’s grandson.
My half-great-cousin-nephew is a good person.
Half-sibling's great-grandson.
My half-great-great-nephew is a good person.