Complex sentence: Smith's map also shows a settlement called "Tauxsnitania", thought to be near present-day Waterloo in Fauquier County, within the territory of the Siouan-speaking Manahoac tribe.
Split into simpler sentences: Smith's map also shows a settlement called "Tauxsnitania", thought to be near present-day Waterloo in Fauquier County. This was the territory of the Siouan-speaking Manahoac tribe.