In summer, they lived as white children, the light-skinned daughters of a father born of French lineage in Olga, North Dakota. During the school year, they were shipped off to the St. Paul’s Indian Mission School on the Yankton Reservation in South Dakota, where their Chippewa blood earned them free room and board.
https://cruxnow.com/church-in-the-usa/2019/12/sundays-after-sisters-bonded-and-broken-in-wake-of-abuse/
https://cruxnow.com/church-in-the-usa/2019/12/sundays-after-sisters-bonded-and-broken-in-wake-of-abuse/