Cornewall died in 1819 and was buried at Moccas. •
Sir George Cornewall, 3rd Baronet (1774–1835), eldest son and heir. • Hannah Cornewall (died young) • Anna-Maria Cornewall (1779–1872) • Frances-Elizabeth Cornewall (1783–1864), married
Henry Devereux, 14th Viscount Hereford, 12 December 1805. • Charles Cornewall (1785–1822). • Harriet Cornewall (1787–1838), married
Thomas Frankland Lewis, 12 January 1805. • Caroline Cornewall (1789–1875), married
Sir William Duff-Gordon, 5 February 1810 Catherine Cornewall's family claimed descent from a younger branch of the de Cornewall family, Barons of Burford, lineally descended from Sir Richard of Cornwall The arms of de Cornwall were:
Argent, a lion rampant gules ducally crowned or a bordure engrailed sable bezantee, being the arms of
Richard, 1st Earl of Cornwall with
difference a bordure engrailed. ==References==