sentences:  Vanessa Sigiane da Mata Ferreira was born on February 10, 1976 in Alto Garças, a small town in Mato Grosso located 399 km (248 miles) from state capital Cuiabá.Her article in the Portuguese Wikipedia stated that she has Xavante ancestry through her maternal grandmother.Vanessa has denied these claims, but said that her grandmother has indeed Native Brazilian ancestry, although she "can't identify from which tribe".