Bhagavad Gita · 1.33
त एवैते स्थिता युद्धे प्राणांस्त्यक्त्वा धनानि च।आचार्याः पितरः पुत्रास्तथैव च पितामहाः॥
ta ime 'vasthitā yuddhe prāṇāṁs tyaktvā dhanāni cha āchāryāḥ pitaraḥ putrās tathaiva cha pitāmahāḥ
Teachers, fathers, sons, grandfathers, maternal uncles, fathers-in-law, grandsons, brothers-in-law, and other relatives — they are all here in this battle, ready to give up their lives and wealth.
— Bhagavad Gita 1.33
Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)