Can be done with facts, logic and imagination
* Sweboz (Ariovistus, Arminius, Allemani)


Marbod of the Markomanni (Maroboduus) had about 70000 infantry + 4000 cavalry in 6 A.D.
thats a ratio of 18,5:1

or about 20:1 (Caesar, Bell. Gall. 4, 1)