13 yeas old and pregnant when her husband was hired by the Lewis and Clark expedition at FT Mandan in 1804 to help guide, negotiate and interpet on the trip to what is now Astoria OR. She proved an invaluable help on the trip, among other things helping to rescue Clark's notes when they were lost in the Missouri river. She was notable for her good nature and her energy. She had the baby, Jean Louis Baptist Charbenau during the trip. On the return trip she stayed with her husband and son at Ft Mandan. She died soon after due to a pandemic there.