She often owned large landed estates in her own name and controlled them through black eunuch servants.

BBC: Uncover the secrets of Topkapi Palace

Outdoor enthusiast Sir Hugh Munro, who gave his name to mountains over 3, 000ft, is listed as a proprietor of two estates with gamekeepers, gardeners, farm workers and labourers - but no Munro mountains.

BBC: AJ Balfour