Simplify the following text for a Grade 7 native English-speaking person.
Original: Lilly Pulitzer was born to a socialite family in Roslyn , New York on November 10 , 1931 ; Lilly Lee was her nickname among her friends .
Simplified: Lillian Lee McKim , nicknamed Lilly , was born on November 10 , 1931 in Roslyn , New York .