Brihat Parashara Hora Shastra
प्रेष्यको रविपुत्रश्च सेना स्वर्भानुपुच्छकौ। एवं क्रमेण वै विप्र सूर्यादीन् प्रविचिन्तयेत्॥ १५॥
Prince-apparent is Budh. The ministerial Grahas are Guru and Śukr. Śani is a servant. Rahu and Ketu form the Grah Army.
english translation
preSyako raviputrazca senA svarbhAnupucchakau। evaM krameNa vai vipra sUryAdIn pravicintayet॥ 15॥
hk transliteration by Sanscript