Same in German, the full title is
Buddenbrooks: Verfall einer Familie and that's just the same as
Buddenbrooks: The Decline of a Family.
While I double-checked that on Wikipedia I found a picture of Thomas Mann from 1900, the time he wrote Buddenbrooks. Might be interesting because most pictures are usually taken arround 1940 - 50 when he was much older.
I often wondered how Thomas Mann looked at the age of 25, and here's the answer: