How do i fill data into navigation property

How do I do EagerLoading of this object

Public Class Person 
    Public Overridable Property personId As Integer
    Public Overridable Property nameType As String

   Public Overridable Property Names As IList(Of PersonNameType)

End Class

Public MustInherit Class PersonNameType
    Public Overridable Property personId As Integer
    Public Overridable Property nameId As Integer

    <ForeignKey("personId,personGuid")>
    Public Overridable Property Person As Person
    <ForeignKey("nameId,nameGuid")>
    Public Overridable Property Name As Name

End Class

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I tried doing this but the navigation properties (Person/Name) of "Person.Names" is not getting filled. I mean when I drill into the Person.Names and one of the collection item the personId/NameId has data but the Person/Name properties has nothing. How do I fill that data in?