Siena
- Pamagat: Siena
- Katanyagan: 0.6
- Kilala sa: Acting
- Kaarawan: 1985-07-29
- Lugar ng Kapanganakan: Czech Republic
- Homepage:
- O kilala bilang: GG Jane, G.G. Jane, Jana, Jay Sweet, Jayne, Jeane, Keisy, Jayne Dionne, Liane Sweet, Madonna, Mia Madonna, Sandra, Sweety
