1- Stepsibling's granddaughter.
2- Sibling's stepgranddaughter.
My stepgrandniece is a good person.
1- Steppibling's wife.
2- Spouse's stepaunt.
My stepaunt-in-law is a good person.
Great-great-great-grandchild's wife.
My great-great-great-granddaughter-in-law is a good person.
1- Grandpibling's wife.
2- Spouse's grandaunt.
My grandaunt-in-law is a good person.