Conway Blennerhassett Irish politician (1693–1724) Parents Elizabeth Cross John Blennerhassett Children Avice Blennerhassett Margaret Blennerhassett Arthur Blennerhassett unknown Blennerhassett Conway Blennerhassett Siblings John Blennerhassett Thomas Blennerhassett Mary Blennerhassett Tryphena Blennerhassett Anne Blennerhassett Elizabeth Blennerhassett Arthur Blennerhassett Benjamin Blennerhassett Edward Blennerhassett Partners Elizabeth Harman