Grandparents home was destroyed

Hello everyone we are trying to raise money for our grandparents.  A tornado destroyed their home recently .. and ultimately took the life of our aunt !! Our grandmother is 84 years old and they both live off of SSI and do not have the money to get a new home .. their home has to be tore down it is not fixable .. we are trying to get them the help they need to rebuild !! Please help in any way possible .. we greatly appreciate it!!