This article adopts a literal and metaphorical conceptualization of progeny to explore influence in relation to the works of the novelist and dramatist Frances Sheridan (1724-66) and her youngest daughter Elizabeth Sheridan, afterwards LeFanu (1758-1837). Tracing the conception and eventual posthumous publication in 1791 of Sheridan's first and neglected romance Eugenia and Adelaide, the article attributes the anonymously published Lucy Osmond (1803) to Elizabeth LeFanu, and identifies the affinities of these two early novels. LeFanu's preface to Lucy Osmond marks the interrelation of familial interest and professional ambition that informs her later work. For LeFanu, the Sheridan connection presented both opportunities and responsibilities...