Complex sentence: Natividad Abascal y Romero-Toro (born 1943, in Seville), more commonly known as Nati Abascal, is a Spanish socialite and a former fashion model, whom designer Valentino met in 1968 at a party when she was 25 years old.
Split into simpler sentences: Natividad Abascal y Romero-Toro (born 1943, in Seville), more commonly known as Nati Abascal, is a Spanish socialite and a former fashion model. Designer Valentino met Nati Abascal in 1968 at a party when she was 25 years old.