It is said in Smriti, that the son rescues the father from the hell, called Put, O best of Brahmanas, therefore, try to be get children.
पुंनाम्नो नरकात् पुत्रस्त्रायते पितरं श्रुतिः। तस्मादपत्यसंताने यतस्व ब्रह्मसत्तम।॥