They are both. As it was a Civil War both armies had similar structures. Here is an article I did on the subject on our Steam Group: Steamcommunity.com
Most of the above flags are Royalist ones, the exceptions are the top flags to the left which are the London trayned bandes (red) and norfolks (green). The bottom six are Scottish and the three orange colours are of the Earl of Essex's Regiment.
Which are Royalist and which are Parliamentarian? I figure the one's with St. George's Cross are Royalist.
They are both. As it was a Civil War both armies had similar structures. Here is an article I did on the subject on our Steam Group:
Steamcommunity.com
Most of the above flags are Royalist ones, the exceptions are the top flags to the left which are the London trayned bandes (red) and norfolks (green). The bottom six are Scottish and the three orange colours are of the Earl of Essex's Regiment.