Complex sentence: He died on March 26,1996 at age 83 in Stanford, California, leaving approximately $4 billion (the bulk of his estate) to the David and Lucile Packard Foundation, including large amounts of valuable real property in Los Altos Hills.
Split into simpler sentences: He died on March 26,1996 at age 83 in Stanford, California, leaving the bulk of his estate to the David and Lucile Packard Foundation. On his death, approximately $4 billion was given to the Packard Foundation, including large amounts of valuable real property in Los Altos Hills.