Valmiki Ramayana 2.26.21

राज्ञा सत्य प्रतिज्ञेन पित्रा दशरथेन मे ।कैकेय्यै प्रीत मनसा पुरा दत्तौ महा वरौ॥

rājñā satya pratijñena pitrā daśarathena me |kaikeyyai prīta manasā purā dattau mahā varau ||

Our plain-language meaning of this verse is waiting for scholar review.