Conway Blennerhassett (born 1720) (b. 1720) Parents Elizabeth Harman Conway Blennerhassett Children Harman Blennerhassett Thomas Blennerhassett Catherine Blennerhassett Anne Blennerhassett Susan Blennerhassett John Blennerhassett Elizabeth Blennerhassett Avice Blennerhassett Margaret Blennerhassett Siblings Margaret Blennerhassett unknown Blennerhassett Arthur Blennerhassett Avice Blennerhassett Partners Elizabeth Lacy