Get the Family of this Family Document.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Syntax
Remarks
Only available if the current document is family document.
Examples

string categoryName = familyDoc.OwnerFamily.FamilyCategory.Name;

Dim categoryName As String = familyDoc.OwnerFamily.FamilyCategory.Name