Mary Lysaght Peerage person ID=317408 (1739–1821) Parents John Lysaght, 1st Baron Lisle Catherine Deane Children John Pennefather Mary Pennefather Richard Pennefather Margaret Pennefather Siblings Joseph Lysaght James Lysaght John Lysaght, 2nd Baron Lisle Margaret Lysaght Partners Kingsmill Pennefather