Margaret Southwell (died 1820) (1775–1820) Parents Thomas Southwell, 2nd Viscount Southwell Sophia Maria Josepha Walsh Children Thomas Preston Charles Preston Edward Anthony John Preston, 13th Viscount Gormanston Robert Preston Matilda Margaret Preston Siblings Arthur Francis Southwell Paulina Southwell Thomas Southwell, 3rd Viscount Southwell Charles Southwell Partners Jenico Preston