Bhagavad Gita 1.34
Teachers, fathers, grandfathers, sons, grandsons, uncles, fathers-in-law, brothers-in-law, and other relatives.
आचार्याः पितरः पुत्रास्तथैव च पितामहाः।
मातुलाः श्चशुराः पौत्राः श्यालाः सम्बन्धिनस्तथा॥ācāryāḥ pitaraḥ putrāstathaiva ca pitāmahāḥ|
mātulāḥ ścaśurāḥ pautrāḥ śyālāḥ sambandhinastathā||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).