A wife who loses a husband is called a widow. A husband who loses a wife is called a widower. A child who loses his parents is called an orphan. There is no word for a parent who loses a child. That's how awful the loss is.
Finding a voice that your readers will enjoy is largely a matter of taste. Saying that isn't much help-taste is a quality so intangible that it can't even be defined. But we know it when we meet it.