Egerton married Lady Louisa Caroline , daughter of William Cavendish , 7th Duke of Devonshire , and sister of Spencer Cavendish , 8th Duke of Devonshire , in 1861 .
Head entity: william cavendish, 7th duke of devonshire Q337626 8 9 10 11 12 13 14
Tail entity: spencer cavendish, 8th duke of devonshire Q334063 19 20 21 22 23 24 25
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22