 When Mary was recaptured after running away, Thistlewood had her flogged, branded on her left cheek, and "put her on a steel collar with a few links of chain to it".By 1762, he owned 12 slaves, and he increased that number to 28 five years later.In 1767, Thistlewood completed the purchase of his own 160-acre plantation, Breadnut Island Pen, where about 30 slaves raised provisions and livestock, but that tally declined to 26 three years later.