quadruple-second cousin 

Child of their mother’s double-first cousin with their father’s double-first cousin.

My quadruple-second cousin is a good person.

quadruple-second cousin by Mr. Jacov November 23, 2019

sesqui-first great-cousin-uncle 

Son of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.

My sesqui-first great-cousin-uncle is a good person.

sesqui-first great-cousin-uncle by Hgcloziw November 23, 2019

sesqui-first great-cousin-pibling 

Child of their great-grandparent’s half-sibling with the other great-grandparent’s full sibling.

My sesqui-first great-cousin-pibling is a good person.

sesqui-first great-cousin-pibling by Hgcloziw November 23, 2019

great-great-great-cousin-pibling 

Great-great-grandparent's first cousin.

My great-great-great-cousin-pibling is a good person.

great-great-great-cousin-pibling by Gtopql November 23, 2019

first great-great-great-cousin-nephew 

First cousin's great-great-grandson.

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

first great-great-great-cousin-nephew by Gtopql November 23, 2019

Kyle’s Cousin 

Kyles homie, friend, associate, partner, sex slave

Don’t worry we have Kyle’s Cousin to help buy monster

Kyle’s Cousin by JSYFMAPOS April 18, 2020

quintuple-third-cousin 

Quintuple-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and ten great-great-grandparents in common.

My quintuple-third-cousin is a good person.

quintuple-third-cousin by Gerald128 May 15, 2021