我外公在80岁时因为癌症而去世了的翻译：My grandfather died at age 80 of cancer 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

80 years old my grandfather died because of cancer

My grandfather died at age 80 of cancer

My grandfather when 80 years old died because of cancer

I am 80 years old when his grandfather in cancer and died because the

My grandfather died at age 80 of cancer