I'd say let her go, it may help her to put things a little in to perspective and I don't believe that seeing people cry because they loved, and are going to miss an important member of their lives is a bad thing it is important to display grief and let your children see you grieving then your little ones understand that it is ok to miss some one they love and that crying is a healthy way to relieve feelings of grief as long as the experience is supported by loving family members who can explain things when needed in an age appropriate way. I wanted to take Paige earlier this year when my MIL passed away and it was only that I was presenting in the funeral that I decided to make other arrangements for her she did attend the graveside with me and she was a source of distraction for people in a positive way, they talked to, and smile at her, she helped to lighten a really terribly sad occaision