Help for My Son daughter in law.

My daughter in law at 2 and a half months pregnant and one of two of Ther children were involved in the Grey hound/Semi truck accident August 29th 2018 In New Mexico . They were on their way back to there home state california with sights on continuing the life they left behind before shortly living in oklahoma. This sudden tragedy has left  her , there two children and my Son in desperate need of help . leaving them completely without. and anything helps . i really appreciate your time and help in advance Thank You