A celebrated traveller, born in Vienna; being separated from her husband, and having completed the education of her two sons and settled them in life, commenced her career of travel in 1842, in which year she visited Palestine, in 1845 visited Scandinavia, in 1846 essayed a voyage round the world by Cape Horn, in 1851 a second by the Cape of Good Hope, and in 1856 an expedition to Madagascar, returning at the end of each to Vienna and publishing accounts of them (1797-1858).