Great-great-great-grandchild's daughter.
My great-great-great-great-granddaughter is a good person.
Great-great-great-grandchild's daughter.
great-great-great-great-granddaughter.
Great-great-great-grandson's wife.
My great-great-great-granddaughter-in-law is a good person.
Great-great-great-grandchild's wife.
My great-great-great-granddaughter-in-law is a good person.
My great-great-granddaughter is a good person.
1- Step-great-grandchild's daughter.
2- Great-grandchild's stepdaughter.
My step-great-great-granddaughter is a good person.