That is true. The entire Vojislavljević family were of Croat origin too. Please protect me in this case. I have proof off that site.

The proof: 
 From 1036 to 1042 Dobroslav, called Stjepan Vojislav, member of an old Croatian family from Duklja, revolted and liberated Duklja and Rasa. - This statement shows that Stjepan Dobroslav I Vojislav was of Croatian origin, meaning that his distant ancestor, Archont Petar, was of Croatian, not Serbian, origin. 

Bodin (1081 – 1101), king of medieval Croatian Duklja, ushered in a new political era in Serbia. At the outset of his reign Bodin liberated Rasa from Byzantium and installed as its princes his two palatines Vukan and Marko, both Croats from Duklja born in Ribnica near modern Titograd.  - This statement shows that Duklja was actually Croatian, rather than Serbian, which I agree. This statement also shows that the House of Nemanjić is of Croat origin as Vukan is of the Nemanjić's ancestors (Nemanja's great-great uncle or great-grandfather).

So, please, help prove my case. Thanks again.