They did die. They died from malaria
everything goes into probate, where the court assigns a executor to oversee the distribution of the parents estate.
Then their children claim all of the parents' possessions when they come of age. This is part of inheiritance.
go to the streets to starve or go to a family member near by
Parents don't usually die on purpose. Something happens and the parent dies. I had a student in my class who found her father dead on the bedroom floor from a heart attack. It wasn't his fault and...