 Between fifteen and twenty Indians invaded the Cooley house , overpowering the tutor and scalping him . Cooley 's wife grabbed their infant son and tried to run to the river , but was shot about 170 yards ( 155 m ) from the house . The shot killed her and the baby . Cooley 's nine @-@ year @-@ old son died from a fractured skull , and his daughter was shot . Two of Cooley 's black slaves disappeared . 
