Maria Soledad "Gretchen" Cuyugan Oppen-Cojuangco is heiress to the Montilla haciendas of Negros Occidental and Lichauco properties in Manila and Pasay, such as the Cartimar. She was featured in the July 1964 issue of Harper's Bazaar, together with Manila's social elite. More here: http://bitly.com/qlfECY.