Family: Hon. William CAVENDISH, MP / Louisa O'CALLAGHAN (F5817)
m. 18 Jul 1807-
Male
Hon. William CAVENDISH, MP
Birth 10 Jan 1783 Death 14 Jan 1812 Cumbria, England 
Burial Marriage 18 Jul 1807 Father Rt. Hon. George Augustus Henry CAVENDISH, 1st Earl of Burlington | F5819 Group Sheet Mother Lady Elizabeth COMPTON | F5819 Group Sheet
Female
Louisa O'CALLAGHAN
Birth Death 1863 Burial Father Cornelius O'CALLAGHAN, 1st Baron Lismore | F5818 Group Sheet Mother
Male
His Grace William CAVENDISH, 7th Duke of Devonshire, KG, PC
Birth 27 Apr 1808 Death 21 Dec 1891 Burial St. Peter's Churchyard, Edensor, Bakewell, Derbyshire, England Spouse Blanche Georgiana HOWARD | F5814 Marriage