Sarah Grenville was born in Edlington, Somerset, England, on 07 October 1792. Her parents were James and Elizabeth Grenville, nee Ingram. She was married to William Brawley (1787-1865) in Moorlinch, Somerset, England, on 06 September 1812. Their children were Jane Brawley (1816-1894), Elizabeth Grenville Brawley (1818-1818), Maria Brawley (1819-?) and Mary Ann Brawley (1822-?). Her death was registered in Bridgewater, Somerset, England, during the second quarter of 1849.