Ramayana
तदैनं पृष्ठतोऽभ्येति स धनुः परिपालयन् । भरतस्यापि शत्रुघ्नो लक्ष्मणावरजो हि सः ॥ १-१८-३२
Lakshmana used to follow him wielding his bow as a squire. In a similar manner, Lakshmana's younger brother Shatrughna was a dear one to Bharata - ॥ 1-18-32॥
english translation
tadainaM pRSThato'bhyeti sa dhanuH paripAlayan । bharatasyApi zatrughno lakSmaNAvarajo hi saH ॥ 1-18-32
hk transliteration by Sanscript