second great-cousin-nephew

Second cousin's grandson.

My second great-cousin-nephew is a good boy.

second great-cousin-nephew

Second cousin's grandson.

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

co-cousin-nephew-in-law

The grandson-in-law of one's parent-in-law's sibling.

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

first cousin-nephew

First cousin's son.

My first cousin-nephew is a good boy.

sesqui-first cousin-nephew

Sesqui-first cousin’s son.

My sesqui-first cousin-nephew is a good boy.

first great-great-cousin-nephew

First cousin's great-grandson.

My first great-great-cousin-nephew is a good boy.

third cousin-nephew

Third cousin's son.

My third cousin-nephew is a good person.