Gene Hackman, who suffered from Alzheimer’s, lived in the house with his dead wife for a week before he died.
Of the three dogs living in the house, one died because it was locked in a carrier and therefore probably starved to death. The two free-living dogs were the only ones to survive.
https://youtu.be/nWwKJxCa_Ao
Notable points:
Also, he was found to have not eaten recently, hut no indications of being dehydrated.