Would it be Piotr, Crow? There is Pyotr in Russian and likely a Balkan equivalent, right?
Pyotr? Yes, there is Russian equivalent
In Serbia we have just Christian Petar. In German it sound Peter.
in Serbia those are... Branislav and Radoslav. So, same as in Poland
modern day Serbs don`t use name of Jaroslav but i heard that local Voivodina (Serbian Northern province) Slovaks actively using this name.
Polish Slavic names usually end with "-sław".
its also usual among Serbs
for example, in Serbian you have Vladislav name but also Vladimir
Polish Slavic names end also with "-mir" and "-mił": Sławomir, Bogumił. There are also names like Zbigniew, Bogdan, etc.
`-mir` is usual among Serbs, too.
There are also name such are:
Bogdan- one who is given by God
Danilo- one who enlightening the day
Miloš (read as Milosh)- one who is gently/dear
Dušan (read as Dushan)- one with the deep soul