Advice girls 💁

My partner has his daughter every two weeks we recently got married and she found out and said she needed to know about it and also were we life ect.we didnt tell her as she woukfnt let her their daughter come if we told her.we have had nothing but greif from her from the beginning. She harassed my husband texting him every week when he didn't have his daughter so he blocked her and went through a 3rd party things seemed to be getting better but no she has started playing games again.saying her daughter went to hospital and she couldn't contact him so he unblocked her but she didn't ring his sister? And his daughter seemed perfectly fine.the next week we picked is daughter up she was waiting outside saying she didn't know if we were coming but we go every week at the same time and sane place.after we got married that night she was ringing texting his sister saying were we were?are we with her and were is her daughter? And she couldn't contact him which she could as he unblocked her and she text before.then she was saying we should of told her and she needs to know we're we live our house number ect.my husband pays 300pound for his daughter plus has her every two weeks plus every time we are on leave from the army.my husband dropped his daughter off today at a public petrol station half way and she had someone there with her who was giving him dirty looks which he felt he didn't have time to say bye properly.we just want the best for his daughter and want to move forward with our lives without being harrased and her kick off all the time.i don't know we're she gets the information from either .is there anything we should habe done or can do.my husband doesn't know anything about her life but she asks about ours all the time . what would you advise?