The wife of one's great-grandson.
My great-granddaughter-in-law is a good person.
by Rwopazaq November 24, 2019
Get the great-granddaughter-in-lawmug. 
Get the great-granddaughtermug. 
My step-great-granddaughter is a good person.
by Elivaldeq November 24, 2019
Get the step-great-granddaughtermug. My step-great-granddaughter is a good person.
by QWP998756 October 15, 2021
Get the step-great-granddaughtermug. Great-great-granchild's daughter.
My great-great-great-granddaughter is a good person.
by Mr. Jacov November 23, 2019
Get the great-great-great-granddaughtermug. 
Get the great-granddaughter-in-lawmug.