Somes questions about iranian peoples

From: Davius Sanctex
Message: 11322
Date: 2001-11-20

1) What was the language of "Regnum Ponticum" of Mithridates IV?
2) What was the language of the "Alani"?
2) Is Saka (khontanese) some form of Scythian?
3) Did Sarmatians and Scythians speak the same language?
4) Are yazigians and sarmatians the same people?
5) What was the historical end of cimerii?
4) Hasta q época sobrevivió el cimerio? que relación exite entre esta lengua y el escita?