Swimmer Tricia Duncan is the older sister of Tim Duncan, who professionally played what sport for 19 years
Tricia Duncan Patricia "Tricia" Duncan (born August 21, 1973) is a retired swimmer for the U.S. Virgin Islands who participated in the backstroke at the 1988 Summer Olympics. Duncan finished 34th in the 100 m backstroke and 30th in 200 m backstroke. She is the older sister of NBA basketball player Tim Duncan. Duncan attended Swarthmore College.
Duncan Laing Andrew James Duncan Laing CNZM OBE (20 June 1933 – 13 September 2008), generally known as Duncan Laing, was a New Zealand swimming coach based in Dunedin. He coached Olympian Danyon Loader, winner of two gold medals at the 1996 Atlanta Olympics and a silver medal at Barcelona in 1992, and Philip Rush, current world record holder for the fastest two and three way swim of the English Channel. He began teaching at Moana Pool in 1966, and over forty years training in Dunedin included 11 Olympic athletes. In 2003, Michael Phelps visited New Zealand to train under Laing. He had since retired from professional coaching, and received treatment in 2006 for melanoma on his leg and a brain tumour.