Question: Who is Hugh Primrose Lindsay's paternal grandfather?
Sentence (from "James Lindsay, 5th Earl of Balcarres"): James Lindsay, 5th Earl of Balcarres (14 November 1691 – 20 February 1768) was a Scottish peer, the son of Colin Lindsay, 3rd Earl of Balcarres and Lady Margaret Campbell, daughter of the Earl of Loudoun.
Relevant evidence: Yes