Definitions by Mr. Jacov

three-quarter-sister 

Daughter of a person's father with that same person's maternal aunt or daughter of a person's mother with that same person's paternal uncle.

My three-quarter-sister is a good person.

three-quarter-sister by Mr. Jacov November 23, 2019

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

3.5-tuple-second cousin 

Child of their parent’s double-first cousin with their other parent’s sesqui-first cousin.

My 3.5-tuple-second cousin is a good person.

3.5-tuple-second cousin by Mr. Jacov November 23, 2019

triple-second cousin

Child of their parent’s double-first cousin with their other parent’s first cousin or are the child of their parent’s sesqui-first cousin with their other parent’s sesqui-first cousin.

My triple-second cousin is a good person.

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

sester-second cousin 

Child of their parent’s first cousin with their other parent’s sesqui-first cousin or are the child of their parent’s double-first cousin with their other parent’s half-first cousin.

My sester-second cousin is a good person.

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

double-second cousin

Child of their parent's double-first cousins or are the child of their parent’s first cousin with their other parent’s first cousin or are the child of their parent’s maternal first cousin with their parent’s paternal first cousin.

My double-second cousin is a good person.

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

sesqui-second cousin 

Child of their parent's sesqui-first cousins or are the child of their parent’s half-first cousin with their other parent’s first cousin.

My sesqui-second cousin is a good person.

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