Mary Morgan-Grenville, 11th Lady Kinloss Hereditary suo jure peeress (1852–1944) Parents Richard Temple-Nugent-Brydges-Chandos-Grenville, 3rd Duke of Buckingham and Chandos Caroline Harvey Children Thomas Morgan-Grenville Richard Morgan-Grenville, Master of Kinloss Harry Nugent Morgan-Grenville Caroline Morgan-Grenville Robert William Morgan-Grenville Luis Morgan-Grenville, Master of Kinloss Siblings Lady Anne Temple-Nugent-Brydges-Chandos-Grenville Lady Caroline Temple-Nugent-Brydges-Chandos-Grenville Partners Luis Morgan-Grenville