Brett Styles is indeed Pj father. He is also Red Johns father . The big twist is that van pelt is res john. A girl who always hated her brother. She found him to be "godless" s1ep1. Her father styles always treated her as a boy and it shows . She cant love anyone . You saw it in her face when rigsby said i love u. Watch the pilot episode and you will see how weird van pelt is and how much she hates jane. Another twist is that jane knows all of this .