Henry Seymour

Patron of the turf (1805–1859)

Parents

• Francis Seymour-Conway, 3rd Marquess of Hertford
• Maria Seymour-Conway, Marchioness of Hertford

Children

• Seymourina Poirson

Siblings

• Richard Seymour-Conway, 4th Marquess of Hertford
• Lady Francis Maria Seymour-Conway