Looking for Pigg from Wyoming the Great Walk

Dora pigg-Husband killed a prairie fire, son-Bear Paw Pigg, Daughter - Elizabeth Pigg. Indian princess- Tela ..They changed their name to Norris sometime after the custer stand. Dora Pigg became Dora Norris and Bear Paw Became Paul Andrew Norris. They moved around tulip, Indiana. Any Info Will help. Greene county Indiana Historical society may help also. Norris was taken from an old farmer around Tulip.