Complex sentence: Nuno Gomes is a South African SCUBA diver (of Portuguese descent) holder of two Guinness World Records in deep diving (independently verified and approved by Guinness World Records) one from 1996 to 2015 and the other from 2005 to 2014.
Split into simpler sentences: Nuno Gomes is a South African SCUBA diver (of Portuguese descent). He is the holder of two Guinness World Records in deep diving (independently verified and approved by Guinness World Records) one from 1996 to 2015 and the other from 2005 to 2014.