Frances Newcomen Peerage person ID=583815 Parents Catherine Molyneux Sir Robert Newcomen, 1st Bt. Children Catherine Stewart Anne Stewart Sir Alexander Stewart, 2nd Bt. Siblings Sir Thomas Newcomen, 3rd Bt. Sir Robert Newcomen, 4th Bt. Sir Beverley Newcomen, 2nd Bt. Judith Newcomen Jane Newcomen Partners Sir William Stewart, 1st Bt.