Mitford was born on 2 January 1909, the only son of David Freeman-Mitford, 2nd Baron Redesdale.
 He attended Eton College.
He had relationships with several students there, among whom were Jim Lees-Milne and The Hon.
Hamish St. Clair-Erskine (later engaged to his sister Nancy).

In the late 1920s, Mitford studied law in Berlin and it was at that time that he displayed a favour for the Nazi Party.
Mitford was born on 2 January 1909, the only son of David Freeman-Mitford, 2nd Baron Redesdale.  He attended Eton College. He had relationships with several students there, among whom were Jim Lees-Milne and The Hon. Hamish St. Clair-Erskine (later engaged to his sister Nancy).
In the late 1920s, Mitford studied law in Berlin and it was at that time that he displayed a favour for the Nazi Party.
Tom Mitford