From Wiki:Wikipedia says her parents were from Long Island which is where she was born, and "Her basketball idols growing up were Kyle Macy, Kelly Tripucka and Tommy Heinsohn", so I'm not seeing a whole lot to suggest a latent Sixers fandom.
Doris Sable was born on April 11, 1965, in West Islip, New York[2] She was raised in Manasquan, New Jersey,[3][4] having moved from New York when she was seven years old.[5] She played as a point guard at Manasquan High School[6]