Harman Blennerhassett Anglo-Irish lawyer and plantation owner (1765–1831) (1764–1831) Parents Elizabeth Lacy Conway Blennerhassett Children Dominick Blennerhassett Harman Blennerhassett Joseph S. Lewis Blennerhassett Siblings Margaret Blennerhassett Susan Blennerhassett Elizabeth Blennerhassett Thomas Blennerhassett Avice Blennerhassett Catherine Blennerhassett John Blennerhassett Anne Blennerhassett Partners Margaret Agnew Blennerhassett
