Jef Mertens died on July 15, 1929, in The Hague, Zuid-Holland, Netherlands.
Jef Mertens's birth name is Mertens, Joseph Marie Franois.
Jef Mertens was born on April 27, 1874, in Leuven, Flanders, Belgium.
Joseph Mertens died in 2007.
Robert Mertens died in 1975.
Jef François died in 1996.
Jef Vanderveken died in 1964.
Jef Friboulet died in 2003.
Jef Denyn died in 1941.
Theo Mertens died in 2003, in Belgium.
Reni Mertens died on September 25, 2000.
Karl Heinrich Mertens died in 1830.
Franz Mertens died on 1927-03-05.