When incest relations with her brother come to light, the sister openly claims her brother for a husband, turns into monster, kills people
| Areal ID | Tradition |
| 12.6.2.2 | Achomavi |
| 12.6.2.3 | Atsugewi |
| 13.1.2.1 | Assiniboine |
| 13.2.1.2 | Wichita; Spiro Mound iconography |
| 15.7.2.2 | Suya, Txukarramae |