My sincere condolences for the loss of your loved one. Be assured that the almighty God truly cares for the family!
May you find comfort in the promise that "... there is going to be a resurrection of both the righteous and the unrighteous" (Acts 24:15), and very soon "... no resident will say, 'I am sick'" (Isa. 33:24) because "... death will be no more, neither will mourning nor outcry nor pain be anymore. The former things have passed away.”(Rev. 21:4)
How is this possible? Visit JW. ORG and search for 'Why did Jesus die?'. Then watch the video.