Mary Knatchbull (born 1794) (b. 1794) Parents Sir Edward Knatchbull, 8th Baronet Frances Graham Children Siblings Julia Knatchbull Reginald Edward Knatchbull Eleanor Knatchbull Frances Anne Knatchbull Norton Joseph Knatchbull Henry Edward Knatchbull Harriot Knatchbull Thomas Knatchbull Grace Mary Knatchbull Eliza Knatchbull Henrietta Knatchbull Sir Edward Knatchbull, 9th Baronet Wyndham Knatchbull