Question: Who is the paternal grandmother of Charles Stewart, 3Rd Duke Of Richmond?
Sentence (from "Charles Stewart, 3rd Duke of Richmond"): Charles Stewart, 3rd Duke of Richmond, 6th Duke of Lennox KG (7 March 1639December 1672) was the only son of George Stewart, 9th Seigneur d'Aubigny and Katherine Howard, daughter of Theophilus Howard, 2nd Earl of Suffolk.
Relevant evidence: Yes