Here is a mystery?

This is of course a sad and tragic event:

http://timesofindia.indiatimes.com/world/uk/Osamas-sister-and-stepmother-killed-in-Hampshire-plane-crash/articleshow/48309013.cms

However, what connections have these Saudi person have in Hampshire, England? What are they planning to do there?

These questions have triple interest when you are advised in this news item as to who they are and who they are linked to?

Anyone? Any ideas?