Brihat Parashara Hora Shastra
लग्नारूढं दारपदं मिथः केन्द्र स्थितं यदि । त्रिलाभे वा त्रिकोणे वा तदा राजा न संशयः ॥ २३॥
If the Arudh Lagn and Dar Pad are in mutual Kendras, or in mutual Sahaj/Labh Bhavas, or in mutual Konas, the native will doubtlessly become a king.
english translation
lagnArUDhaM dArapadaM mithaH kendra sthitaM yadi । trilAbhe vA trikoNe vA tadA rAjA na saMzayaH ॥ 23॥
hk transliteration by Sanscript