I am looking for Mrs Christine (Christina) Lallem previously married to Gordon May(South Africa) 3 children,?

I have lost contact with a friend. Mrs Christine or Christina Lallem previously married to Gordon May from Benoni, South Africa. She and her new husband Mr Lallem moved to the UK to start a new Church for Christ in the UK. Might be in Crawley ? She's got 3 children, Scot, and David May and Angela May. Does anyone know them ? I have posted their names on facebook with no response....