Lot Essay
The sitter was the fifth son of Montague Bertie, 2nd Earl of Lindsey (see lot 87) and his first wife, Martha, daughter of Sir William Cokayne of Rushton, Northamptonshire. He married Mary, daughter of Peter Tryon, of Harringworth, Northamptonshire, with whom he had a son and daughter (see lot 89). Bertie was a diplomat and treasurer of the Ordnance. He purchased Uffington estate in 1674 where he built a house, which was seen as one of the finest in Lincolnshire.