When was the brother of Alfrederick born who was also  three-time Olympic gold medalist ?
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Al Joyner Alfrederick "Al" Joyner (born January 19, 1960) is an American former athlete and now coach. He was born in East St. Louis, Illinois. He is the 1984 Olympic gold medalist in the triple jump. He was also the husband of three-time Olympic gold medalist and world 100 m and 200 m record holder Florence Griffith Joyner and is the brother of three-time Olympic gold medalist and world heptathlon record holder Jackie Joyner-Kersee.
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Jackie Joyner-Kersee Jacqueline "Jackie" Joyner-Kersee (born March 3, 1962) is an American retired track and field athlete, ranked among the all-time greatest athletes in the heptathlon as well as long jump. She won three gold, one silver, and two bronze Olympic medals, in those two events at four different Olympic Games. "Sports Illustrated for Women" magazine voted Joyner-Kersee the Greatest Female Athlete of All-Time.
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Alvin Kraenzlein Alvin Christian "Al" Kraenzlein (December 12, 1876 – January 6, 1928), known as "the father of the modern hurdling technique", was an American track-and-field athlete, and the first sportsman in the history of Olympic games to win four individual gold medals in a single discipline at the 1900 Summer Olympics in Paris. Before, Carl Schuhmann, a German athlete, won four Olympic titles in gymnastics and wrestling at the 1896 Summer Olympics in Athens. s of 2016 , Alvin Kraenzlein is the only track-and-field athlete who has won four individual titles at one Olympics. Kraenzlein is also known for developing a pioneering technique of straight-leg hurdling, which allowed him to set two world hurdle records. He is an Olympic Hall of Fame (1984) and USA Track & Field (1974) inductee.
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Alexander Tkachev (swimmer) Aleksandr Tkachev (Russian: Александр Ткачев ; born November 11, 1972) is a Russian-born Kyrgyz former swimmer, who specialized in breaststroke events. He collected a total of three medals, one gold and two silver, at the Universiade (1995 and 1997), and later represented his adopted nation Kyrgyzstan at the 2000 Summer Olympics.
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Jens Berthelsen Jens Berthelsen (17 December 1890 – 28 October 1961) was a Danish fencer. He competed at three Olympic Games. His father, Jens Peter Berthelsen, was also an Olympic fencer.
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Márton Homonnai Márton Homonnai, also known as Márton Hlavacsek, (5 February 1906 – 15 October 1969) was a Hungarian water polo player who won two gold and one silver medals at the 1928, 1932 and the 1936 Summer Olympics; his team finished fifth in 1924. During his career Homonnai played 115 international matches, often alongside his brother Lajos. His daughter Katalin Szőke became an Olympic swimmer.
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Alfred Dahlqvist Alfred Dahlqvist (13 May 1914 – 21 October 1983) was a Swedish cross-country skier who won a silver medal in the 18 km event at the 1938 World Championships. He won three more medals in 1941, but these are not considered official because of the limited number of competitors. The same year he was awarded the Svenska Dagbladet Gold Medal.
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Alfred Bieler Alfred "Fredy" Bieler (April 18, 1923 – April 24, 2013) was an ice hockey player for the Swiss national team. He won a bronze medal at the 1948 Winter Olympics.
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Søren Alfred Jensen Søren Alfred Jensen (May 22, 1891 – May 16, 1978) was a Danish gymnast who competed in the 1912 Summer Olympics.
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Alfred Post (footballer) Alfred Post (20 August 1926 – 7 March 2013) was a German former footballer who competed in the 1952 Summer Olympics. He was born in Ochtrup.
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Sverre Farstad Sverre Farstad (8 February 1920 – 27 March 1978) was a speed skater representing "Sportsklubben Falken", Trondheim, as part of the Falken Trio also including Henry Wahl and Hjalmar Andersen. Farstad won one Olympic gold medal and one European Championship in his three-year international career.
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Aleksey Kudryavtsev Aleksey Kudryavtsev (Russian: Алексей Кудрявцев ; born October 28, 1972 in Moscow) is a retired Russian freestyle swimmer, who was affiliated with "Profsoyuzy Moskva". He is the father of three time 2013, 2014 and 2015 World All-Around Rhythmic Gymnastics Gold Medalists Yana Kudryavtseva.
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Georg Wenderoth ! colspan="3" style="text-align:center; background-color:lightsteelblue;" | Olympic medal record
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Alfréd Hajós Alfréd Hajós (1 February 1878 – 12 November 1955) was a Hungarian swimmer and architect. He was the first modern Olympic swimming champion and the first Olympic champion of Hungary.
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Henk-Jan Zwolle Henk-Jan Zwolle (born November 30, 1964 in Enschede, Overijssel) is a former rower from the Netherlands and two-time Olympic medallist. He competed in three consecutive Summer Olympics, starting in 1988.
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Alexander Abraham (decathlete) Alexander "Alex" Abraham (October 17, 1886 – February 1971) was a German track and field athlete, born in Berlin, who competed in the 1912 Summer Olympics.
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Ben Adams (track and field) Benjamin "Ben" Willard Adams (March 31, 1890 – March 14, 1961) was an American athlete who competed mainly in the standing jumps. At the 1912 Summer Olympics he won a silver medal in the standing high jump and a bronze in the standing long jump, while his elder brother Platt Adams won a gold and a silver, respectively. Ben also competed in the exhibition baseball tournament for Sweden.
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László Nagy (figure skater) László Nagy (13 August 1927 – 19 April 2005) was a Hungarian pair skater. Together with his sister Marianna Nagy he won five bronze medals at the Olympic Games (1952 and 1956) and world championships (1950, 1953, 1955), as well as two European titles (1950 and 1955).
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Charles Frédéric Petit Charles Frédéric Petit (6 May 1857 – 19 February 1947) was a French competitor in the sport of archery. Petit competed in two events and won third prize in each. He is now considered by the International Olympic Committee to have won two bronze medals . Both of Petit's events were the shorter 33 metre competitions, in both the Au Chapelet and Au Cordon Doré style.
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Emil Ratzenhofer Emil Ratzenhofer (born 2 August 1914) was an Austrian pair skater. Competing with his sister Herta Ratzenhofer, he won five gold medals at the Austrian Figure Skating Championships. The pair won the bronze medal at the European Figure Skating Championships in 1948 and 1949. They finished ninth at the 1948 Winter Olympics.
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Maria Jelinek Maria Jelinek (birth name Maria Jelínková; born November 16, 1942) is a Canadian former pair skater. With her brother Otto Jelinek, she is the 1962 World champion, the 1961 North American champion, and 1961–1962 Canadian national champion. They represented Canada at the 1960 Winter Olympics, where they placed 4th.
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Lou Banach Ludwig David "Lou" Banach (born February 6, 1960) is an American athlete who won a gold medal in wrestling in the 1984 Summer Olympics in Los Angeles. He was noted with his fraternal brother Ed Banach for both winning gold medals in freestyle wrestling at the same Olympics.