sesqui-cousin 

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

My sesqui-cousin is a good person.

sesqui-cousin by Mr. Jacov November 23, 2019

sesqui-cousin 

A child of a parent's half-sibling with the other parent’s full sibling; the relative who has with the other person only three grandparents in common, but parents are different.

My sesqui-cousin is a good person.

sesqui-cousin by Usery May 2, 2021

sesqui-cousin 

Child of their parent’s half-sibling with the other parent’s full sibling. Has among themselves; different two parents, three grandparents in common and different one grandparent.

My sesqui-cousin is a good person.

sesqui-cousin by Usery May 2, 2021

sesqui-cousin 

1- Child of their parent’s full sibling with the other parent’s half-sibling.
2- Person who, in relation to the other person, has zero parents and three grandparents in common.
3- Sesqui-first-cousin.
4- Sesqui-1C.

My sesqui-cousin is a good person.

sesqui-cousin by Peter12369 October 21, 2021

sesqui-cousin-pibling

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

My sesqui-cousin-pibling is a good person.

sesqui-cousin-pibling by Hgcloziw November 23, 2019

sesqui-cousin-aunt 

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

My sesqui-cousin-aunt is a good person.

sesqui-cousin-aunt by Hgcloziw November 23, 2019

sesqui-cousin-uncle 

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

My sesqui-cousin-uncle is a good person.

sesqui-cousin-uncle by Hgcloziw November 23, 2019