Chipawansic and Giles Vandercastel whose plantation was on the upper Accotink, to summon the "Emperor" of the Conoy Piscataways to Williamsburg. Mounted on horseback and, we may believe well armed, the two intrepid emissaries promptly set out upon their mission, travelling it is thought, an Indian trail about a mile or more south of the Potomac, which is in its course approximately followed by the present Alexandria Pike, and fording as well as they could the various creeks which run into that stream from the south. The Governor had ordered that they keep a record of their journey and a description of their route and the land traversed and complying with those instructions they wrote the first detailed description of any part of Loudoun. Their report exactly complied with the Governor's orders as to its scope and became a document of primary importance in Loudoun's history. It reads: "In obedience to His Excellency's command and an order of this Corte bearing date the 12th day of this Instance, April," (1699) "We, the subscribers have beene with the Emperor of Piscataway, att his forte, and did then Comand him, in his Maj'tys name, to meet his Excellency in a General Assembly of this his Maj'ties most Ancient Colloney and Dominion of Virginia, the ffirst of May next or two or three days before, with sume of his great men. As soone as we had delivered his Excellency's Commands, the Emperor summons all his Indians thatt was then at the forte--being in all about twenty men. After consultation of almost two oures, they told us they were very bussey and could not possibly come or goe downe, but if his Excellency would be pleased to come to him, sume of his great men should be glad to see him, and then his Ex-lly might speake whatt he hath to say to him if Excellency could nott come himself, then to send sume of his great men, ffor he desired nothing butt peace.