Helena P. Hill, 92, was born and raised on her grandfather’s farm in Plaquemine, Louisiana. “We had cows, chickens and horses. I even picked cotton.” She was the third-oldest child of Louis and Louella Brown, and one of 11 siblings. The closest school was eight miles away, so they home-schooled. Hill remembers her earliest “job” was assigned by her mother: “I was put in charge of the kitchen and stood on a chair to wash dishes and clean the counters.” | Special to The Post Helena P. Hill, 92, was born and raised on her grandfather’s farm in Plaquemine, Louisiana. “We had cows, chickens and horses. I even picked cotton.” She was the third-oldest child of Louis and Louella Brown, and one of 11 siblings. The closest school was eight miles away, so they home-schooled. Hill