Valmiki Ramayana Ayodhya Kanda Sarga 103 Shloka 21

सर्वाः all, स्त्रियः wives, दशरथात् of Dasaratha, जाते born, शुभलक्षणे possessing auspicious qualities, तस्मिन् लक्ष्मणे in the matter of Lakshmana, रामे यथा just as in the case of Rama, तथा similarly, वृत्तिम् conduct, ववृतिरे treated.

All the queens treated Lakshmana, born of Dasaratha and endowed with auspicious qualities, with the same love as they did to Rama.