Philip Lawson Johnston (born 1950) (b. 1950) Parents Barbara Anstruther-Gough-Calthorpe Ian Lawson Johnston, 2nd Baron Luke Children Saskia Lawson Johnston Edward Lawson Johnston Samuel Lawson Johnston Harry Lawson Johnston Siblings Ian Harry Calthorpe Lawson Johnston Arthur Lawson Johnston, 3rd Baron Luke George Andrew Lawson Johnston Caroline Jean Lawson Johnston Partners Saskia Andrews