it doesn't show in the series Drew's birthday, so many people just fan girl and pick anything they want. personally, i picked Drew's birthday as May 17th. :)
February 11th
Berta Drews's birth name is Berta Helene Drews.
Ramona Drews was born in 1973.
Paul Drews died in 1913.
Egon Drews died in 2011.
Frank Drews died in 1972.
Jürgen Drews was born in 1945.
Stefan Drews was born in 1979.
Arthur Drews was born in 1865.
Arthur Drews died in 1935.
I'm Pretty sure it's Feb 11 or somewhere around there because during that time you could've made a video on youtube saying happy birthday to him.
Matt Drews was born on 1974-08-29.