step-great-grandnephew

1- Sibling's step-great-grandson.
2- Stepsibling's great-grandson.

My step-great-grandnephew is a good person.

by User655 July 25, 2021

step-great-grandnibling

1- Sibling's step-great-grandchild.
2- Stepsibling's great-grandchild.

My step-great-grandnibling is a good person.

by User655 July 25, 2021

half-great-great-great-granduncle

Great-great-great-grandparent's half-brother.

My half-great-great-great-granduncle is a good person.

by Seo48787 October 28, 2021

half-great-great-great-grandniece

Half-sibling's great-great-great-granddaughter.

My half-great-great-great-grandniece is a good person.

by Seo48787 October 28, 2021

half-great-great-great-grandnibling

Half-sibling's great-great-great-grandchild.

My half-great-great-great-grandnibling is a good person.

by Seo48787 October 28, 2021

great-great-granduncle-in-law

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

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

by JAMP12 September 21, 2021

great-great-grandniece-in-law

1- Great-great-grandnephew's wife.
2- Spouse's great-great-grandniece.

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

by JAMP12 September 21, 2021