From Poles and Saxons of the Napoleonic Wars
Nafziger, Wesolowski, and Devoe
p 24

Duchy of Warsaw forces  22 May 1813
List of known strengths

Inf Regt
1st         774
2nd         830
3rd         918
6th         766
8th         636
12th        847
13th        525
14th        848
15th        619
16th        784

Cav Regt
1st Krakus        317  (also known as Advance Guard)
2nd Krakus        352
3rd Krakus        431
1st Chasseurs     312
3rd Uhlans        357
5th Chasseurs     233
6th Uhlans        405
8th Uhlans        474
11th Uhlans       369
12th Uhlans       310
13th Hussars      305
14th Cuirassier   200
16th Uhlans       535
18th Uhlans       162
20th Uhlans       431