Question: Who is Digby Willoughby, 9Th Baron Middleton's paternal grandmother?
Sentence (from "Henry Willoughby, 8th Baron Middleton"): He was born at Apsley Hall, Nottingham, the eldest son of Henry Willoughby (15 December 1780-1849) and Charlotte Eyre (died 1845) and educated at Eton and Trinity College, Cambridge.
Relevant evidence: Yes