Bloem is a second generation Indo immigrant born in a family of 4 children. Her parents, Alexander and Jacqueline Bloem, repatriated from Indonesia in 1950. Her father is a survivor of the Junyo Maru disaster. Bloem, herself a psychologist, is married to Dutch author and physician Ivan Wolffers. She has 1 son named Kaja and 4 grandchildren.
Next to her career as an author and film director, Bloem is also a painter who exhibits around Europe.