 Setting out from Fort Crevecoeur in present-day Illinois on , the trio were captured by a band of Santee Sioux on , near Mille Lacs Lake in present-day Minnesota.During their captivity, they were escorted to Minnesotan landmarks such as Saint Anthony Falls, Lake Pepin, and Kaposia, and, in the process, becoming the first Europeans to do so.They were released at the end of September 1680, at the insistence of explorer Daniel Greysolon, Sieur du Lhut.