The Sisters of Lady Jane Grey and Their Wicked Grandfather: Being the True Stories of the Strange Lives of Charles Brandon, Duke of Suffolk, and the Ladies Katherine and Mary Grey, Sisters

Published in 1911, 'The Sisters of Lady Jane Grey and Their Wicked Grandfather' by Richard Davey explores the lives of Katherine and Mary Grey, the lesser-known sisters of Lady Jane Grey. The book examines their tumultuous relationships with influential figures, including their grandfather, Charles Brandon, Duke of Suffolk, and Queen Elizabeth I. It highlights Katherine's secret marriage to the Earl of Hertford and the ensuing political ramifications, revealing the personal struggles and ambitions that played out against the backdrop of the Tudor court's ruthless power dynamics.