text: Although Septimius Severus successfully restored peace following the upheaval of the late 2nd century , the dynasty was disturbed by highly unstable family relationships , and constant political turmoil , foreshadowing the imminent Crisis of the Third Century .
simplified: Although Septimius Severus successfully restored peace following the upheaval of the late 2nd century , the dynasty was disturbed by unstable family relationships , and constant political turmoil .