Why was Lyda Newman childhood miserable?

Lyda Newman was born into slavery separated from her family. She worked on a plantation until she found a way to escape Years later she improved the hair brush.Her hair brush was the first to have synthetic bristles.Her hairbrush had ventilation chambers , it was easy to make, very effective, durable and easy to clean.

Lyda Newman was born into slavery so there are no birth records or death records.