He pleased the Rishis by his Brahmacharya and his ancestors by begetting offspring. Thus discharging the heavy debt that he owed to his ancestors.
ऋषींश्च ब्रह्मचर्येण संतत्या च पितामहान्। अपहृत्य गुरुं भारं पितॄणां संशितव्रतः॥