Great-great-great-grandchild's son.
My great-great-great-great-grandson is a good person.
by Mr. Jacov November 23, 2019
Get the great-great-great-great-grandsonmug. 
Get the great-grandson-in-lawmug. Great-great-grandchild's husband.
My great-great-grandson-in-law is a good person.
by Wonbig October 13, 2021
Get the great-great-grandson-in-lawmug. Great-great-great-great-great-great-grandson.
My 7X-grandson is a good person.
by N8953SW June 26, 2021
Get the 7X-grandsonmug. 
Get the step-great-grandson-in-lawmug. 
Get the great-grandsonmug. 
Get the grandson-in-lawmug.