Simplify the following text for a Grade 6 native English-speaking person.
Original: Two former members died within a few years of each other in the early 2000s ; Joe Nanini died of a brain hemorrhage on December 4 , 2000 , and Marc Moreland died of kidney and liver failure on March 13 , 2002 .
Simplified: Guitarist Marc Moreland died of kidney and liver failure on March 13 , 2002 .