Tana is married to His Honour Justice Paul Focke , and has issue .
Lady Tana , a successful fund - manager , is the Earl 's elder half - sister by his father 's first marriage to Ghislaine Dresselhuys , later Lady Foley .
half - sister is married to father 's Honour Justice Paul Focke , and has issue .
Lady Tana , a successful fund - manager , is the Earl 's elder half - sister by his father 's first marriage to Ghislaine Dresselhuys , later Lady Foley .