Jataka Tattva 6.27

सुखपे राहुयुते सपापे माता जारिणी ।

Say the 4th lord is joined by Rahu and bad planets. Then the mother is unfaithful to her husband.

लग्नसुखेशावन्योन्यामित्रे शुभेक्षितयुते मातृस्नेहः ।

Say the lords of the lagna (rising sign) and the 4th house are enemies of each other. Good planets aspect or join them. Then there is love from the…

तुर्येशे केन्द्रेऽङ्गेशदृष्टे वा शुभदृग्युते मातृस्नेहः ।

Say the 4th lord is in a kendra (corner house) and the lord of the lagna (rising sign) aspects it. Or say good planets join or aspect it. Then there…