Unlocking the intricate connections between betrayal trauma, emotional dysregulation, and relationship satisfaction, this research delves into a crucial realm of human experience. By investigating how emotion dysregulation acts as a mediator between diverse traumatic encounters, including betrayal trauma, and marital contentment, this study sheds light on the profound impact of these factors on individuals’ lives. Through a purposive sampling technique, a sample of 251 married individuals participated in this research. The findings reveal a compelling positive relationship between emotion dysregulation and varying degrees of predisposed trauma (r= .532**,r= .447**, andr= .555**). Moreover, the study illuminates the negative correlation between predisposed trauma, emotion dysregulation, and marital satisfaction. Notably, the research uncovers that medium levels of predisposed trauma and relationship satisfaction are intricately linked through partial mediation by emotion dysregulation (r= .039). Similarly, high levels of predisposed trauma and relationship satisfaction exhibit a fully mediated relationship through emotion dysregulation (r= .048). By untangling these intricate associations, this study emphasizes the need for further exploration and intervention strategies to empower individuals in navigating the repercussions of diverse traumatic experiences on their relationships. The findings offer valuable insights into the multifaceted dynamics of predisposed trauma, emotional regulation, and relationship well-being, fueling a broader dialogue and fostering effective support mechanisms for those affected.