Hire a House Sitter for Good Measure
If you have a relative who has recently passed away and you can not stay there yourself, you should strongly consider hiring a house sitter. This is someone who could stay in the residence until you or someone else in the family can go and sort things out.
When someone dies, word spreads fast, and that does not take long to matriculate down to the people you wish hadn’t found out. This could even be a security guard, but it is best if you can do it yourself because it will save money in the end. This is also valid for when you go out of town on vacation.