William Blennerhassett

(1801-1860) (1801–1860)

Parents

• Dorcas Twiss
• Arthur Blennerhassett

Children

• Emma Sophia Blennerhassett
• Agnes Blennerhassett
• John du Boulay Blennerhassett
• Francis Houssemayne Blennerhassett
• Mary Anne Blennerhassett
• Arthur Blennerhassett
• William Blennerhassett

Siblings

• John Blennerhassett
• Arthur Blennerhassett

Partners

• Emma Sophia Houssemayne Du Boulay