Mary Lowther (died 1706) (d. 1706) Parents John Lowther, 1st Viscount Lonsdale Katherine Lowther Children Catherine Wentworth Siblings Barbara Lowther Margaret Lowther Elizabeth Lowther Henry Lowther, 3rd Viscount Lonsdale Richard Lowther, 2nd Viscount Lonsdale Anthony Lowther Jane Lowther Partners Sir John Wentworth, 1st Bt.