Gustav Riek was born in 1900.
Heinz Riek died on June 3, 2006, in Berlin, Germany.
Riek Kloppenburg died on December 26, 1941, in Valburg, Gelderland, Netherlands.
Riek Schagen died on July 14, 2008, in Vorden, Gelderland, Netherlands.
Riek Berkhout died on September 6, 1968, in Leeuwarden, Friesland, Netherlands.
Riek Machar was born in 1953.
Gustav Jaenecke died in 1985.
Gustav Helsted died in 1924.
Gustav Kadelburg died in 1925.
Gustav Schuft died in 1948.
Gustav Schwab died in 1850.
Gustav Hertzberg died in 1907.