I understand. Karen’s parents moved from Britain to SA in the 50-es, didn’t they? So she probably had it through parents.
Kids live in different parts of the world, right. “Residence” and “citizenship” are different things. What about AC?
(One problem that confuses me: he used to live and work in London at one point but there is East London in SA so I get befuddled, tbh. Did he work in Britain for a while or was it SA?)
AFAIK he was born in the UK, and made part of his career in the UK, including in London (UK) before moving to SA.