# `GSInstance preferredFamilyNames:`

*Instance Method*

Returns the preferred family names.

## Declaration

```swift
func preferredFamilyNames() throws -> GSInfoValueLocalized
```

```objc
- (GSInfoValueLocalized *) preferredFamilyNames:(NSError **) error;
```

```python
preferredFamilyNames_() -> tuple[GSInfoValueLocalized, NSError]
```

## Parameters

- `error` — A pointer to an NSError object to store any error that occurs.

## Return Value

The preferred family names. On failure, this method returns `nil`.