The other son of Gadgada is the son of Śakra's preceptor. By which son, single-handed, was done immense oppression to the Rākṣasa.
गद्गदस्याथ पुत्रोऽन्यो गुरुपुत्रः शतक्रतोः। कदनं यस्य पुत्रेण कृतमेकेन रक्षसाम्॥