John Etherington Welch Rolls was a High Sheriff of Monmouthshire, art collector, Deputy Lieutenant and Justice of the Peace. Rolls was President of, and co-founded the Monmouth Show.

John Rolls of The Hendre was a native of Bermondsey, in Southwark, London, Surrey, England. A member of the renowned Rolls family of The Hendre at Llangattock-Vibon-Avel near Monmouth, Monmouthshire, Wales, he undertook the first of several expansions of the mansion. The Hendre was also the childhood home of his great-grandson Charles Stewart Rolls, aviation pioneer and co-founder of Rolls-Royce Limited. John Rolls was a Justice of the Peace, as well as a Lieutenant Colonel of the Loyal Southwark Volunteer Infantry.