[Fred Nerks]

That document to which you refer belonged to a resident of South Australia, someone with access to the family genealogy website belonging to the BOMFORD family downloaded the document and altered it.

They thought it was a great joke:

https://www.google.com.au/search?q=david+bomford+birth+certificate&rlz=1C1CHBF_en-GBAU733AU733&espv=2&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj92PnWjsvSAhXmyVQKHW2kCG0Q_AUIBigB&biw=1920&bih=974#imgrc=Z5N_KPdjRq6odM:

Obama forgers admit they produced phony documents

[pissant]

Aw the memories.