
Many thanks go to Severine Foweraker for providing the above phoenetic spelling of Foweraker. If the above doesn't tell you much, here is a more practical guide.
After being contacted by some Australian Fowerakers, we now know that there are at least two different pronunciations
In general native english speakers pronounce Foweraker correctly, even if they have never heard the name before, but have much more difficulty spelling it.
While living in Germany and France over the past few years, I've heard some very interesting attempts at pronounciation.