sester-third-cousin 

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

My sester-third-cousin is a good person.

sester-third-cousin by Gerald128 May 15, 2021

sesqua-third-cousin

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

My sesqua-third-cousin is a good person.

sesqua-third-cousin by Gerald128 May 15, 2021

sextuple-third-cousin 

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

My sextuple-third-cousin is a good person.

sextuple-third-cousin by Gerald128 May 15, 2021

septuple-third-cousin 

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

My septuple-third-cousin is a good person.

septuple-third-cousin by Gerald128 May 15, 2021

sesqui-third-cousin 

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

My sesqui-third-cousin is a good person.

sesqui-third-cousin by Gerald128 May 17, 2021

step-third-cousin 

1- Step-great-grandpibling's great-grandchild.
2- Great-grandpibling's step-great-grandchild.
3- Step-3C.

My step-third-cousin is a good person.

step-third-cousin by User655 July 25, 2021

sesquiple-third-cousin 

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

My sesquiple-third-cousin is a good person.

sesquiple-third-cousin by ZYRB3256 February 21, 2022