Mary Dering (died 1724) (d. 1724) Parents Mary Dering Sir Edward Dering, 2nd Baronet Children Catharine Knatchbull Heneage Knatchbull Sir Edward Knatchbull, 4th Baronet Siblings Robert Dering Elizabeth Dering Catherine Dering Sir Edward Dering, 3rd Baronet Partners Sir Thomas Knatchbull, 3rd Bt.