Dorcas Blackwood (died 1818) (d. 1818) Parents Sir John Blackwood, 2nd Baronet Dorcas Blackwood, 1st Baroness Dufferin and Claneboye Children Siblings Robert Blackwood Price Blackwood Leeson Blackwood James Blackwood, 2nd Baron Dufferin and Claneboye Hans Blackwood, 3rd Baron Dufferin and Claneboye Anne Blackwood Sophia Blackwood Margaret Catherine Blackwood John Blackwood Henry Blackwood