<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>000300 - Disclosure - NOTES PAYABLE TO RELATED PARTIES: Loan balances owed to related parties (Tables)</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

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</LabelSeparator><Level>2</Level><ElementName>us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="Y13Q1" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;!--egx--&gt;&lt;p style='margin:0in;margin-bottom:.0001pt;margin-right:-1.0pt'&gt;&amp;#160;&lt;/p&gt; &lt;table border="0" cellspacing="0" cellpadding="0" width="100%" style='width:100.0%;border-collapse:collapse'&gt; &lt;tr style='height:12.95pt'&gt; &lt;td width="307" valign="bottom" style='width:230.1pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&lt;font style='display:none'&gt;.&lt;/font&gt;&lt;/p&gt; &lt;/td&gt; &lt;td width="284" colspan="3" valign="bottom" style='width:212.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="center" style='margin:0in;margin-bottom:.0001pt;text-align:center'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr style='height:12.95pt'&gt; &lt;td width="307" valign="bottom" style='width:230.1pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="bottom" style='width:99.15pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="center" style='margin:0in;margin-bottom:.0001pt;text-align:center'&gt;March 31,&lt;/p&gt; &lt;p align="center" style='margin:0in;margin-bottom:.0001pt;text-align:center'&gt;2013&lt;/p&gt; &lt;/td&gt; &lt;td width="19" valign="bottom" style='width:.2in;border:none;border-top:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="center" style='margin:0in;margin-bottom:.0001pt;text-align:center'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="bottom" style='width:99.15pt;border-top:solid windowtext 1.0pt;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:none;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="center" style='margin:0in;margin-bottom:.0001pt;text-align:center'&gt;December 31,&lt;/p&gt; &lt;p align="center" style='margin:0in;margin-bottom:.0001pt;text-align:center'&gt;2012&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr style='height:12.95pt'&gt; &lt;td width="307" valign="top" style='width:230.1pt;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p style='margin:0in;margin-bottom:.0001pt;margin-top:0in;margin-right:-1.0pt;margin-bottom:0in;margin-left:2.0pt;margin-bottom:.0001pt;line-height:12.35pt'&gt;&lt;font style='position:relative;top:-.5pt;letter-spacing:.05pt'&gt;Fr&lt;/font&gt;&lt;font style='position:relative;top:-.5pt;letter-spacing:-.05pt'&gt;a&lt;/font&gt;&lt;font style='position:relative;top:-.5pt'&gt;ncis&lt;font style='letter-spacing:-.05pt'&gt; &lt;/font&gt;Dunc&lt;font style='letter-spacing:-.05pt'&gt;a&lt;/font&gt;n Alex&lt;font style='letter-spacing:-.05pt'&gt;a&lt;/font&gt;nder&lt;font style='letter-spacing:-.05pt'&gt; &lt;/font&gt;&lt;font style='letter-spacing:.05pt'&gt;F&lt;/font&gt;o&lt;font style='letter-spacing:.05pt'&gt;r&lt;/font&gt;b&lt;font style='letter-spacing:-.15pt'&gt;e&lt;/font&gt;s&lt;/font&gt;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;border:none;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;$ 188,663&lt;/p&gt; &lt;/td&gt; &lt;td width="19" valign="top" style='width:.2in;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;border:none;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;$ 194,372&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr style='height:12.95pt'&gt; &lt;td width="307" valign="top" style='width:230.1pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p style='margin:0in;margin-bottom:.0001pt;margin-top:.3pt;margin-right:-1.0pt;margin-bottom:0in;margin-left:2.0pt;margin-bottom:.0001pt'&gt;S&lt;font style='letter-spacing:.05pt'&gt;t&lt;/font&gt;ephen &lt;font style='letter-spacing:-.05pt'&gt;F&lt;/font&gt;&lt;font style='letter-spacing:.05pt'&gt;r&lt;/font&gt;ed Ad&lt;font style='letter-spacing:-.05pt'&gt;a&lt;/font&gt;ms&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;287,742&lt;/p&gt; &lt;/td&gt; &lt;td width="19" valign="top" style='width:.2in;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;254,372&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr style='height:12.95pt'&gt; &lt;td width="307" valign="top" style='width:230.1pt;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;border:none;border-bottom:solid windowtext 1.0pt;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="19" valign="top" style='width:.2in;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;border:none;border-bottom:solid windowtext 1.0pt;background:#DBE5F1;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr style='height:12.95pt'&gt; &lt;td width="307" valign="top" style='width:230.1pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p style='margin:0in;margin-bottom:.0001pt'&gt;&amp;#160; &lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;border:none;border-bottom:double windowtext 2.25pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;$ 476,405&lt;/p&gt; &lt;/td&gt; &lt;td width="19" valign="top" style='width:.2in;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;&amp;nbsp;&lt;/p&gt; &lt;/td&gt; &lt;td width="132" valign="top" style='width:99.15pt;border:none;border-bottom:double windowtext 2.25pt;padding:0in 5.4pt 0in 5.4pt;height:12.95pt'&gt; &lt;p align="right" style='margin:0in;margin-bottom:.0001pt;text-align:right'&gt;$ 448,744&lt;/p&gt; 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