Margaret Catherine Blackwood

(died 1846) (1771–1846)

Parents

• Dorcas Blackwood, 1st Baroness Dufferin and Claneboye
• Sir John Blackwood, 2nd Baronet

Children

• Marianne Dallas
• Sir Robert Dallas, 2nd Baronet

Siblings

• Henry Blackwood
• Leeson Blackwood
• Price Blackwood
• John Blackwood
• Dorcas Blackwood
• Sophia Blackwood
• Anne Blackwood
• James Blackwood, 2nd Baron Dufferin and Claneboye
• Robert Blackwood
• Hans Blackwood, 3rd Baron Dufferin and Claneboye

Partners

• Sir George Dallas, 1st Baronet