On 06 May 1944 William Cavendish (age 26) and Kathleen "Kick" Kennedy (age 24) were married. Edward William Spencer Cavendish 10th Duke Devonshire (age 49) was present. Joseph Patrick Kennedy (age 28) was the only member of her family present. She the daughter of Joseph Patrick Kennedy (age 55) and Rose Elizabeth Fitzgerald (age 53). He the son of Edward William Spencer Cavendish 10th Duke Devonshire (age 49) and Mary Alice Gascoyne-Cecil Duchess Devonshire (age 48).