Duncan was born and raised in rural Chanceford Township in southeastern York County, Pennsylvania, which borders the broad Susquehanna River.<unk> Duncan was born and raised in rural Chanceford Township in southeastern York County, Pennsylvania, which borders the broad Susquehanna River. ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• A good student, he ranked 5th in a class of 43 cadets.<unk> A good student, he ranked 5th in a class of 43 cadets. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk>
Florida hostilities against the Seminole Indians.