Katherine Mary Lucy Petre (died 1932) (d. 1932) Parents William Petre, 12th Baron Petre Mary Theresa Clifford Children Siblings Eleanor Mary Petre Bernard Henry Philip Petre, 14th Baron Petre Margaret Mary Petre Philip Benedict Joseph Petre, 15th Baron Petre Theresa Mary Louisa Petre William Petre, 13th Baron Petre Frances Mary Petre Isabella Mary Petre Joseph Lucius Henry Petre Monica Mary Petre Mary Winifrede Petre