grandniece-in-law

1- Grandnephew's wife.
2- Spouse's grandniece.

My grandniece-in-law is a good person.

by Gerald128 April 07, 2021

great-great-grandparent-in-law

Spouse's great-great-grandparent.

My great-great-grandparent-in-law is a good person.

by Gerald128 April 07, 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.

by Gerald128 May 17, 2021

4C5R

Fourth-cousin-five-times-removed.

My 4C5R is a good person.

by Gerald128 April 06, 2021

great-great-grandchild-in-law

Great-great-grandchild's spouse.

My great-great-grandchild-in-law is a good person.

by Gerald128 April 07, 2021

great-grandaunt-in-law

1- Great-granduncle's wife.
2- Spouse's great-grandaunt.

My great-grandaunt-in-law is a good person.

by Gerald128 April 07, 2021

quadruple-third-cousin

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

My quadruple-third-cousin is a good person.

by Gerald128 May 15, 2021