Complex sentence: From age three, Ida lived with her grandparents, James T. and Anna Mariah White, former slaves, who were very industrious people who taught her valuable lessons about the ethics of life and putting God first.
Split into simpler sentences: From age three, Ida lived with her grandparents, James T. and Anna Mariah White, who were former slaves. They were very industrious people who taught her valuable lessons about the ethics of life and putting God first.