The Virginians treated with Ohio Indians at Logstown and got confirmation from the Mingos of the Treaty of Lancaster in 1744. The Delaware and Iroquois Indians acknowledge the Virginia colony’s claim to territory south of the Ohio River. The English were allowed to form settlements on the south and east side of the Ohio. The Iroquois signed the Logstown Treaty confirming their land cessions in 1744 and gave the British permission to build a blockhouse at the forks of the Ohio (site of future Pittsburgh). The French destroyed this fort before it was completed and then proceeded to build Fort Duquesne at the same location.