Death, perhaps for everyone, is an enigma that's so hard to accept.
When death strikes, eveyrone in the family, as well as other relatives and friends are often at a loss, mostly asking the question 'why did this happen?'
The bible urges us to weep with those who weep. Helping a bereaved person calls for compassion, discernment, and much love on one's part. We should not wait for the bereaved one to come to us. We should not simply say, "If there’s anything I can do . . ." Find that "anything" , and then take the appropriate initiative.
I have seen people become devastated because of the death of someone they love...though uncalled for, the verses below are the only comforting words I can give...

"Death is swallowed up forever. Death, where is your victory? Death, where is your sting?"—1 Corinthians 15:54-55