Complex sentence: Keyser was born Elizabeth Agnes Keyser in July 1852 at Great Stanmore in Middlesex, the daughter of Charles and Margaret Keyser, her father was a partner in a stock exchange firm Ricardo and Keyser.
Split into simpler sentences: Keyser was born Elizabeth Agnes Keyser in July 1852 at Great Stanmore in Middlesex, the daughter of Charles and Margaret Keyser. Her father was a partner in a stock exchange firm Ricardo and Keyser.