Sir Marmaduke Charles Henry Joseph Casimir Blennerhassett, 6th Bt.

(1902-1940) (1902–1940)

Parents

• Sir Arthur Charles Francis Bernard Blennerhassett, 5th Bt.
• Mary Frances von Aretin

Children

• Sir Marmaduke Adrian Francis William Blennerhassett, 7th Bt.

Partners

• Gwenfra Mary Morgan