step-great-grandson 

1. The son of one's stepgrandchild.
2. The stepson of one's grandchild.

My step-great-grandson is a good person.

step-great-grandson by Elivaldeq November 24, 2019

step-great-grandson 

1- Stepgrandchild's son.
2- Grandchild's stepson.

My step-great-grandson is a good person.

step-great-grandson by QWP998756 October 15, 2021

step-great-grandson 

1- Stepgrandchild's son.
2- Grandchild's stepson.

step-great-grandson.

step-great-grandson by Simaduria July 27, 2024

step-great-grandson-in-law 

Step-great-grandchild's husband.

step-great-grandson-in-law.

step-great-grandson-in-law by Simaduria July 27, 2024

step-great-great-grandson 

1- Step-great-grandchild's son.
2- Great-grandchild's stepson.

My step-great-great-grandson is a good person.

step-great-great-grandson by User655 July 25, 2021