Question: Who is the paternal grandfather of Arthur Mills, 3Rd Baron Hillingdon?
Sentence (from "Charles Mills, 2nd Baron Hillingdon"): Charles William Mills, 2nd Baron Hillingdon (26 January 1855 – 6 April 1919) was a British banker and Conservative politician who sat in the House of Commons from 1885 to 1892, speaking once, in 1899.
Relevant evidence: No