First cousin's great-great-grandson.
My first great-great-great-cousin-nephew is a good person.
by Gtopql November 23, 2019
Get the first great-great-great-cousin-nephewmug. My half-first great-cousin-nephew is a good person.
by Gtopql November 23, 2019
Get the half-first great-cousin-nephewmug. The grandson-in-law of one's parent-in-law's sibling.
My co-cousin-nephew-in-law is a good person.
by Elivaldeq November 24, 2019
Get the co-cousin-nephew-in-lawmug. 
My sesqui-first great-cousin-nephew is a good person.
by Hgcloziw November 23, 2019
Get the sesqui-first great-cousin-nephewmug. 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.
2- Son of paternal half-sister and of maternal half-brother at the same time.
My double-half-nephew is a good person.
by Peter12369 October 21, 2021
Get the double-half-nephewmug. Spouse's half-nibling's husband.
My half-co-nephew-in-law is a good person.
by Wonbig October 13, 2021
Get the half-co-nephew-in-lawmug.