Marta Ortega Pérez
Billionaire Father: Amancio Ortega Gaona
Family Fortune: $25 billion
Position on 2010 Forbes Billionaire List: #9
Three years ago Amancio Ortega Gaona's youngest daughter, Marta Perez, began her quest to inherit her father's Inditex fashion retail empire with a no-frills job stocking shelves and dealing with customers service at a Bershka fashion store. Inditex now boasts some 4,500 stores in 73 countries, including chichi designer brands such as Bershka, Stradivarius, Massimo Dutti, and the massive Zara chain. The daughter of Spain's richest man is reported to be an avid equestrian and still single, so a little horse whispering might be the quickest way to winning the heart of this billionaire heiresses.