Thomas Southwell, 4th Viscount Southwell

Irish viscount (1836–1878) (1836–1878)

Parents

• Mary Anne Agnes Dillon
• Arthur Francis Southwell

Children

• Frances Southwell
• Arthur Southwell, 5th Viscount Southwell of Castle Mattress

Siblings

• Margaret Mary Southwell
• Marcella Maria Agnes Southwell
• Charles Francis Xavier Southwell
• Jane Mary Matilda Southwell
• Mary Paulina Anne Southwell

Partners

• Charlotte Mostyn