Question: Who is Thomas Grey, 1St Marquess Of Dorset's maternal grandmother?
Sentence (from "Thomas Grey, 1st Marquess of Dorset"): Thomas Grey, 1st Marquess of Dorset, 1st Earl of Huntingdon, 7th Baron Ferrers of Groby, (145520 September 1501) was an English nobleman, courtier and the eldest son of Elizabeth Woodville and her first husband Sir John Grey of Groby.
Relevant evidence: Yes