11.26 All these sons of Dhrtarastra together with the hosts of monarchs, Bhisma, Drona and Karna along with the leading warriors of our side,
Meaning
Karna though he was the son of Kunti the mother of the Pandavas was brought up by a charioteer and hence came to be regarded as his son.
Word by word
अमी these च and त्वाम् Thee धृतराष्ट्रस्य of Dhritarashtra पुत्राः sons सर्वे all सह with एव even अवनिपालसङ्घैः hosts of kings भीष्मः Bhishma द्रोणः Drona सूतपुत्रः Karana तथा also असौ this सह with अस्मदीयैः with (those) of ours अपि also योधमुख्यैः (with) warrior chiefs.