Valmiki Ramayana Bala Kanda Sarga 18 Shloka 13
Original Shlokaअथ लक्ष्मणशत्रुघ्नौ सुमित्राऽजनयत्सुतौ।।1.18.13।। वीरौ सर्वास्त्रकुशलौ विष्णोरर्धसमन्वितौ।
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अथ then, सुमित्रा Sumitra, वीरौ heroic, सर्वास्त्रकुशलौ skilled in the use of all weapons, विष्णो: Visnu's, अर्धसमन्वितौ having facets of Visnu, लक्ष्मणशत्रुघ्नौ Lakshmana and Satrughna, सुतौ sons, अजनयत् gave birth.
Sumitra gave birth to Lakshmana and Satrughna who were heroic, skilled in the use of all weapons and endowed with the facets of Visnu.