 The family moved to <unk> , Kansas in 1859 but the violence on the frontier led them to move to Missouri in 1860 ; eventually Daniel succeeded in curing Martha 's disease . As the American Civil War neared , violence spread into Missouri during the Bleeding Kansas incidents . In October several men led by Duff Green demanded that Daniel Marshall provide medical assistance to the pro @-@ slavery faction . He refused , and they left . After their departure , the Marshalls ' neighbors warned them that Green was planning to return and murder them . They helped the Marshalls quickly pack their belongings and escape to Illinois by steamboat . The Marshalls remained there only a brief time before continuing to Indiana , even farther from the volatile border region . 
