About Coenraad Hiebendaal
Coenraad Christiaan Hiebendaal (10 April 1879 in Gorinchem – 3 June 1921 in Amsterdam) was a Dutch rower who competed in the 1900 Summer Olympics. He was part of the Dutch boat Minerva Amsterdam, which won the silver medal in the coxed fours final B. Coenraad Hiebendaal studied at the University of Amsterdam. Later in his life he became a physician.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.