祖父は昨年の冬に九十歳で死去した。
My grandfather passed away last winter at the age of ninety.
元首相の死去が今朝報じられた。
The death of the former prime minister was reported this morning.
創業者の死去に伴い、長男が社長に就任した。
Following the founder's death, his eldest son became company president.