My sister came and took ma son from me and now they want to take me to court but she is married to a convicted felon will she beable to win in court?

Why did she take your son?

She can't just take your son. That's kidnapping. We need to know more details here. Why didn't you go and get your son back. Why did she take him. How old is he? What about the father ANY question on law needs to include your general locale as laws vary by area.