Swimmer Tricia Duncan is the older sister of Tim Duncan, who professionally played what sport for 19 years
Tim Duncan Timothy Theodore Duncan (born April 25, 1976) is an American retired professional basketball player who played his entire 19-year career with the San Antonio Spurs of the National Basketball Association (NBA). Widely considered to be the greatest power forward of all time, he is a five-time NBA champion, two-time NBA MVP, three-time NBA Finals MVP, NBA All-Star Game MVP and NBA Rookie of the Year. He is also a 15-time NBA All-Star and the only player to be selected to both the All-NBA and All-Defensive Teams in all of his first 13 seasons.
Penny Taylor Penelope Jane Taylor (born 24 May 1981) is an Australian retired professional basketball player. During her 19-year career, Taylor spent the most time with the Phoenix Mercury of the Women's National Basketball Association, where she won three championships. She also won the Women's National Basketball League with her first club, the Australian Institute of Sport, and played in China, Italy, Turkey and Russia. As part of the Australian woman's national team, Taylor won two Olympic medals and led the Australian Opals to a gold medal at the World Championships, winning tournament MVP honours ahead of teammate Lauren Jackson.