These people refer to the sacred as wakan and call the (*) Great Spirit Wakan Tanka.
This ethnic group's midwives are helped by a Blue Woman Spirit, whose abode is a hole in the Big Dipper created when Fallen Star's mother pulled up a turnip. They claim that dead spirits called nagi can't cross the Sky-Road without showing tattoos to a crone known as Owl Maker. A goddess of these people named Anog Ite had one of her two faces made ugly after she was tricked into seducing the sun god Wi. A character in their mythology lures many ducks into his hut with songs, then kills and cooks them. These people refer to the sacred as wakan and call the (*) Great Spirit Wakan Tanka. A fabled White Buffalo Woman gave these people the pipe. Their creator god Inyan, or Rock, fathered the storm monster Iya and his trickster brother. For 10 points, name this Native American group which, like the Assiniboine, tells of the spider Iktomi, and whose sacred heyoka clowns claim to have seen the Thunderbird.
This ethnic group's midwives are helped by a Blue Woman Spirit, whose abode is a hole in the Big Dipper created when Fallen Star's mother pulled up a turnip.
Lakota [or Oglala Lakota; or Teton Sioux; or Dakota; prompt on Sioux; prompt on Great Plains Indians or  Native Americans or similar answers]