Does my dad and his family hate me?

I am a 19 year old girl and I have only met my dad for the first time last year. But we have been having issues over the past few months and I suggested we have a break for a few months. So I havnt talked to him in 2 months and havnt seen him in 3. I miss him loads. I miss being around him. I did send him a text about 2 weeks ago just saying that I ped my exams, I thought he would ring to say well done I am proud of you or something, but he didnt. The thing is I have a slight feeling that dad, his wife, and my half brother dont like me and dont want me in their lives. I feel this way because dad has told me his wife doesnt want me contacting her, dad seems to be chosing her over me and my brother wont talk to me over facebook. I have sent him messages but he hasnt replied. I have stopped contacting dads wife. Dad and his wife have been having problems. They say they are splitting up because dad lied to her for 18 years about me and probably didnt help by contacting her. So I have left them alone. I havnt bothered him or her once over the 2 months. But then I think they could have told my brother not to talk to me. Why would they do that? Or maybe just dad told him not to talk to me. Maybe hes been saying bad stuff about me to him. I dont know. I might send dad a letter just telling him how I feel and stuff. I have it typed out but I think I will hold it off for another month or 2 and see if he contacts me. All I want is a good relationship with my dad. So what do you guys think of this? Do you think they do hate me or what? Be honest and thanks your time :)