half-great-great-nephew

Half-sibling's great-grandson.

half-great-great-nephew.

half-cousin-nephew

Half-first cousin's son.

My half-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-great-nephew

Half-sibling's grandson.

My half-great-nephew is a good boy.

half-great-nephew

Half-sibling's grandson.

half-great-nephew.

half-nephew-in-law

1. The son-in-law of one's half-sibling.
2. The son of one's spouse's half-sibling.

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