Johan Mannerheim

Finnish-Swedish baron and industrialist (1868–1934)

Parents

• Carl Robert Mannerheim
• Helene Mannerheim

Children

• Evo Mannerheim-Weckman
• Augustin Mannerheim

Siblings

• Carl Mannerheim
• Sophie Mannerheim
• Eva Mannerheim-Sparre
• Carl Gustaf Emil Mannerheim

Partners

• Sofia Palæmona Treschow