Lost my Dad this week,
You have my sympathy, my Dad passed last year, he and I were close, my life will never be the same, but we know that death is a part of life and can't be avoided, so you carry on. My brother and him had issues, but I realized I can't change him. Since you are in charge, you might make it clear that nothing is to be removed from the house by anyone, until after you finalize his estate, because that is more dignified.