Janet Douglas Peerage person ID=179940 (1531–1611) Parents Christian Montgomerie James Douglas, 7th Baron Drumlanrig Children Margaret Ker Euphemia Ker Robert Ker, 1st Earl of Roxburghe Elizabeth Ker Mary Kerr Sir Mark Ker of Ormistoun Siblings Christian Douglas Margaret Douglas Sir William Douglas of Drumlanrig, younger Helen Douglas Robert Douglas, Provost of Lincluden Nicola Douglas Janet Douglas Margaret Douglas, of Drumlanrig Margaret Douglas Partners James Tweedie of Drumelzier