1911 Encyclopædia Britannica, Volume 20… (1911)
“ In private life his gaiety, his buoyancy, his high breeding, made even his political opponents forget their differences; and even the warmest altercations on public affairs were merged in his large hospitality and cordial social relations. In this respect he was aided with consummate ability by the tact and grace of Lady Palmerston, the widow of the 5th Earl Cowper, whom he married at the close of 1839, and who died in 1869. She devoted herself with enthusiasm to all her husband's interests and pursuits, and she made his house the most attractive centre of society in London, if not in Europe. ”
