If there is a wake ceremony or something like that, perhaps take her there aswell. It will/might take away some of the emotional stress at the funeral service itself. In the old days, dying and burying involved lots of rituals. Much of this has disappeared, at least in this part of the world. These rituals however served to cope with the grief and sorrow, and that's my own personal experience aswell.

All the best.

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2011 Prius