Price Blackwood, 4th Baron Dufferin and Claneboye Royal Navy chaplain and Irish Baron (1794–1841) Parents Mehetabel Hester Temple Hans Blackwood, 3rd Baron Dufferin and Claneboye Children Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava Siblings Robert Temple Blackwood Henrietta Blackwood Hans Blackwood William Stear Blackwood Elizabeth Dorcas Blackwood Henrietta Catherine Blackwood Henry Stevenson Blackwood Hon. Anna Dorothea Blackwood Anna Dorothea Blackwood unknown daughter Blackwood unknown daughter Blackwood Partners Helen Blackwood, Baroness Dufferin and Claneboye