Isabel Irvine of Drum Peerage person ID=598023 Parents Lady Elizabeth Keith Alexander Irvine, 8th of Drum Children John Urquhart Siblings Elizabeth Irvine James Irvine Margaret Irvine Robert Irvine, 1st of Moncoffer unknown daughter Irvine Alexander Irvine, 9th of Drum John Irvine, 1st of Artamford William Irvine Partners John Urquhart of Laithers