Jessica de Sismondi [née Allen] [Jessie] (1777-1853)
The daughter of John Bartlett Allen of Cresselly; in 1819 she married the French
historian Léonard Simond de Sismondi; two of her sisters married Wedgewoods, a third Sir
James Mackintosh. She corresponded with Emma Darwin.
The daughter of John Bartlett Allen of Cresselly; in 1819 she married the French
historian Léonard Simond de Sismondi; two of her sisters married Wedgewoods, a third Sir
James Mackintosh. She corresponded with Emma Darwin.