6 sons
karna
dharmaraj
bheemsen
arjun
nakul and sahadeva
Arjuna had four sons 1)Abhimanyu 2)Strutakriti 3)Iravan 4)Bhabruvahna
Kounthey = Son of Kunti. Kunti has 6 Sons (Karna, Yudistara, Bheema, Arjuna, Nakula, Sahadeva)
There are number of heroic things that Arjuna do in Mahabharata. The list is long and beyond the scope. Better you read the Mahabharata. Rather study the Mahabharata.
Arjuna is a hero in the Hindu epic, Mahabharata.
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devdutta
The grandson of Arjuna was Parikshit - the son of Abhimanyu.
Draupadi and subhadra
Chitrasen :)
Arjuna heard it.
Arjuna acquired the powerful vijaya bow in the Mahabharata epic by receiving it as a gift from the god Agni, after performing a difficult task for him.
The epic story of Arjuna was called The Mahabharata. I recommend the version by Krishna Dharma.