1. | Louisa O'CALLAGHAN (daughter of Cornelius O'CALLAGHAN, 1st Baron Lismore); died in 1863. Louisa married Hon. William CAVENDISH, MP on 18 Jul 1807. William (son of Rt. Hon. George Augustus Henry CAVENDISH, 1st Earl of Burlington and Lady Elizabeth COMPTON) was born on 10 Jan 1783; died on 14 Jan 1812 in Cumbria, England. [Group Sheet] [Family Chart]
Children:
- His Grace William CAVENDISH, 7th Duke of Devonshire, KG, PC was born on 27 Apr 1808; died on 21 Dec 1891; was buried in St. Peter's Churchyard, Edensor, Bakewell, Derbyshire, England.
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