Isobella Macdonell Peerage person ID=510514 Parents Alastair Macdonell, 11th of Glengarry Lady Mary Mackenzie Children Roderick 'Og' Mackintosh Alexander Chisholm, The Chisholm William Chisholm Siblings Randulph Macdonell Alexander Macdonell Anne Macdonell John Macdonell, 12th of Glengarry Donald Macdonell Partners Roderick Chisholm, The Chisholm