No. Sybill is about Dissociative Identity Disorder (Multiple Personality Disorder). If you watched the movie I don't know how you could miss it, because it states it very clearly.
Sybille Bedford's birth name is Sybille von Schnebeck.
Sybille Berke has written: 'Sybille Berke' -- subject(s): Exhibitions
François Sybille died in 1968.
François Sybille was born in 1906.
Sybille Reinhardt was born in 1957.
Sybille of Bâgé died in 1294.
Sybille Kos was born in 1960.
Sybille Waury is 165 cm.
Sybille of Bâgé was born in 1255.
Sybille Herwig goes by Billie.
Sybille of Cleves was born on 1512-01-17.
Sybille of Cleves died on 1554-02-21.