Baroness Katalin Hatvany de Hatvan was born on 30 December 1947 in Budapest, Second Hungarian Republic.
[2] When Hatvany was sixteen years old she worked in a government-operated sewing room directed by Klara de Rothschild.
[4][2][3][5] Her designs were sold at Bergdorf Goodman, Saks Fifth Avenue, Henri Bendel, Bloomingdales, and Neiman Marcus.
She presides over the Triple A Gala committee, raising money to protect and care for stray animals in Costa del Sol.
[3] On 20 June 1980 she married Prince Hugo Weriand Antonius Franziskus Thomas Maria zu Windisch-Graetz in New York City.