Money gifted from an International Source

Can my mother, who lives in the UK, send my husband and I money, into his South African bank account- will we have to pay any tax on it in SA? It's one deposit of approximately 100,000.00 GB Pounds. And, the money is 100% UK bound income.

There won't be any tax on this, provided they aren't a South African tax resident and the money wasn't sourced from South Africa.