Hello dear Tomasz,
the Wartak`s in our file are only 10 (they are all out of the area of Mikulov, Moravia), but they are connected in a tree of 360 people.
I attached that tree to this message in form of a gedcom file, which you can import into your genealogical program.
I myself are not the owner of this data, but I did ask for their permission. Please send any further questions to me since I am the one who works on their data.
Of course we are very interested in those 500 individuals you mentioned in your last message. If you agree please send also a gedcom file either as an attachment here or directly to my email address.
Thank you very much for your help!
Kind regards - Helmut