Can I get them for harment?

A relative of mine called and cursed my mother out. I texted them & told them 2 stop b4 we c them in court. Now they continually text my phone all day with horrid messages. I asked them several times to stop texting my phone finally I got tired & went off. Can they still be dealt with even though I responded keep in mind i asked them several times to stop texting b4 i retaliated