Brihat Jataka
युग्मे चन्द्रसितौ तथौजभवने स्युर्ज्ञांरजीवोदया लग्नेन्दू नृनिरीक्षितौ च समगौ युग्मेषु वा प्राणिन: ॥ कुर्यु स्ते मिथुनं ग्रहोदयगतान्द्व्यङ्गांशकान् पश्यति स्वांशे ज्ञे त्रितयं ज्ञगांशकवशाद्युग्मं त्वमिश्रै: समम् ॥ ४-१४ ॥
The Moon and Venus should be in an even sign and Mercury, Mars, Jupiter, and the lagna should be in an odd sign. Also, the lagna and the Moon being in the even signs aspected by the male planets or those (male planets) of power in even signs. Just so, they should produce a couple.
english translation
yugme candrasitau tathaujabhavane syurjJAMrajIvodayA lagnendU nRnirIkSitau ca samagau yugmeSu vA prANina: ॥ kuryu ste mithunaM grahodayagatAndvyaGgAMzakAn pazyati svAMze jJe tritayaM jJagAMzakavazAdyugmaM tvamizrai: samam ॥ 4-14 ॥
hk transliteration by Sanscript