Complex sentence: Liezel Huber (née Horn; born 21 August 1976, Durban, South Africa) is a professional tennis player from the United States, having been a naturalized American citizen since July 2007.
Split into simpler sentences: Liezel Huber (née Horn; born 21 August 1976, Durban, South Africa) is a professional tennis player from the United States. Having been a naturalized American citizen since July 2007.