Wyvill,(Marmaduke) Charles Asty: ARICS.High Sheriff of North Yorks, 1986,Lord of the Manor of Constable Burton,Leyburn.born 1945,son of Marmaduke Frederick Wyvill,(1912-53),& former May Bennet.Married Times 13th Oct.1972,Margaret Ann,eld dau of Maj Sydney Hardcastle,RA,of Etchingham,Sussex.3 sons,(D'Arcy, Edward & Frederick) 1 dau.(Kate)Heir:son, Marmaduke D’Arcy William Wyvill,b.1975.