Abhimanyu was the son of Arjuna and Balarama's sister Subhadra. Abhimanyu enters the Padma Vyuh and performs extraordinary bravery and dies a heroic death.
Dushala is also the sister of Pandavas who forgive her husband Saindhava for his rude behavior towards Draupadi. But Saindhava becomes the cause of Abhimanyu's death.
Parikshith succeded the Pandavas. He was the grandson of Arjuna and the son of Abhimanyu. His mother is Uttara. Ashwatthama casts Brahmastra on Parikshith while still in his mother's womb and was saved by Lord Krishna.
Sahadeva was the fifth of the Pandavas. Sahadeva vows to kill Shakuni who betrayed them. He fulfills this vow on the 17th day of the Kurukshetra battle.