William Stear Blackwood (1802-1874) (1802–1874) Parents Hans Blackwood, 3rd Baron Dufferin and Claneboye Elizabeth Finlay Children Robert William Blackwood Hans Stevenson Blackwood Price Frederick Blackwood Siblings Elizabeth Dorcas Blackwood Henrietta Catherine Blackwood Henry Stevenson Blackwood Robert Temple Blackwood Henrietta Blackwood Hon. Anna Dorothea Blackwood Anna Dorothea Blackwood unknown daughter Blackwood Hans Blackwood Price Blackwood, 4th Baron Dufferin and Claneboye unknown daughter Blackwood Partners Elizabeth Hamilton