So there are four fairly simple soldiers in the grog section of the core book (standard soldier, grizzled veteran, tough guy, berzerker) around page 20.
If you want to see some other examples, I have a thread where I posted lots of grogs .
Regarding the apprentices, you can check the book “apprentices” and then just use the basic ones that are there, and to be Verditius age them a smidge to give them craft 2-3 and Philosophiae 1.