co-grandnephew-in-law

The grandson-in-law of one's spouse's sibling.

My co-grandnephew-in-law is a good person.

by Elivaldeq November 24, 2019

stepaunt

1. The sister of one's stepparent.
2. The stepsister of one's parent.

My stepaunt is a good person.

by Elivaldeq November 24, 2019

steppibling

1. The sibling of one's stepparent.
2. The stepsibling of one's parent.

My steppibling is a good person.

by Elivaldeq November 24, 2019

great-aunt-in-law

1. The wife of one's grandparent's brother.
2. The sister of one's grandparent-in-law.

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

by Elivaldeq November 24, 2019