<DataGrid Name="TablaTestGrid" Grid.Row="1" ItemsSource="{Binding Family, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}">
    <DataGrid.Columns>
        <DataGridTextColumn Header="Rol familiar" Binding="{Binding Rol, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" IsReadOnly="True"></DataGridTextColumn>
        <DataGridTextColumn Header="Asistirá al evento" Binding="{Binding Asistira, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"></DataGridTextColumn>
        <DataGridTextColumn Header="Número de teléfono" Binding="{Binding Numero, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"></DataGridTextColumn>
        <DataGridTextColumn Header="Coche" Binding="{Binding Coche, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" IsReadOnly="True" ></DataGridTextColumn>
    </DataGrid.Columns>
</DataGrid>