half-nephew

Half-sibling's son.

My half-nephew is a good person.

half-nephew

Half-sibling's son.

Half-nephew.

half-great-cousin-nephew

Half-first cousin’s grandson.

My half-great-cousin-nephew is a good person.

double-half-nephew

Son of a paternal half-sister with maternal half-brother or son of a maternal half-sister with paternal half-brother.

My double-half-nephew is a good person.

double-half-nephew

1- Son of maternal half-sister and of paternal half-brother at the same time.
2- Son of paternal half-sister and of maternal half-brother at the same time.

My double-half-nephew is a good person.

half-co-nephew-in-law

Spouse's half-nibling's husband.

My half-co-nephew-in-law is a good person.

half-co-nephew-in-law

Spouse's half-nibling's husband.

half-co-nephew-in-law.