José María Rivarola Matto died on 1998-09-13.
Jos de Mey died in 2007.
Jos Lussenburg died on 1975-07-28.
Probably not. Mara died.
I will just rephrase your question. It should be "Did Mara died in Mara Clara?". The answer is No. Obviously it's Lenita/Nenita ,played by Jamilla Obispo, who died in the highest rating teleserye. She's the protagonist, she can't die.
Mara Jankovic died on March 8, 2009, in Belgrade, Serbia.
Juan Bautista Rivarola Matto died on 1991-10-14.
Alfonso Rivarola died in 1640.
Cirilo Antonio Rivarola died in 1879.
Eduardo Airaldi Rivarola died in 1992.
Clorinda Matto de Turner died in 1909.
Jos Jacobs died in 1995.
Jos Gielen died in 1981.
Jos LeDuc died in 1999.
Jos de Mey died in 2007.
Jos Lussenburg died on 1975-07-28.
Jos De Haes died in 1974.
Jos Hinsen died on 2009-03-15.