Half Cousin

A first cousin that shares one grandparent instead of both grandparents like a regular first cousin.

My grandpa isn’t related to me, but my grandma is meaning that my first cousins are my half cousins.

by AntiCircumcisionMan November 7, 2020

half-cousin-niece

Half-first cousin's daughter.

My half-cousin-niece is a good girl.

by Hgcloziw November 23, 2019

half-third-cousin

Half-3C:
1- Parent's half-second-cousin's child.
2- Grandparent's half-first-cousin's grandchild.
3- Great-grandparent's half-sibling's great-grandchild.
4- Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and one great-great-grandparent in common.

My half-third-cousin is a good person.

by Gerald128 May 17, 2021

half-great-cousin-niece

Half-first cousin’s granddaughter.

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

by Gtopql November 23, 2019

half-first-cousin-once-removed

1- Parent's half-first-cousin.
2- Half-first-cousin's child.

My half-first-cousin-once-removed is a good person.

by ZJO8738 October 3, 2021

quadruple-half-cousin

1- Child of double-half-aunt (daughter of maternal grandmother and of paternal grandfather) and of double-half-uncle (son of paternal grandmother and of maternal grandfather) at the same time.
2- Child of double-half-aunt (daughter of paternal grandmother and of maternal grandfather) and of double-half-uncle (son of maternal grandmother and of paternal grandfather) at the same time.
3- Person who, in relation to the other person, has zero parents and four grandparents in common (in different manners that the double-first-cousin).
4- Quadruple-half-first-cousin.
5- Quadruple-half-1C.

My quadruple-half-cousin is a good person.

by Seo48787 October 28, 2021

half first cousin

Your half uncle/aunt's child

I hate my half first cousin, She is a bitch

by GasparThalasso September 24, 2025