Margaret Murray Peerage person ID=228273 (1593–1701) Parents Janet Douglas Sir James Murray of Cockpool Children Nicola Grierson Robert Grierson Jean Grierson Sir John Grierson of Lag James Grierson of Larglanglie William Grierson of Barquhar Sir Rodger Grierson Margaret Grierson Elizabeth Grierson Helen Grierson Agnes Grierson Nicholas Grierson Siblings Marian Murray Partners Sir Robert Grierson of Lag