Empress Draupadi along with her co-wives
Draupadi was daughter of Yajnasen Drupad, King of Pachala and she was the Empress of Indraprastha and common wife of Pandavas but they had other wives as well.
Yuddhisthir was married to Devika, daughter of Govasana and she was Princess of Shibi Kingdom. They had a son named Yaudheya. Devika chose Yuddhisthir in her Swayamvara.
Bheem had two wives, Hidimba, sister of demon Hidimb and Balandhara, daughter of King of Kashi. Bheem married Hidimba after killing her brother and they had a son named Ghatotkach who was killed by Karna in Mahabharata War.Bheem married Balandhara after there was a test of power and after proving his strength he married her. They had a son named Savarga.
Arjuna married Uloopi, Naga Princess and daughter of King Kauravya. They had a son named Iravan. He also married Chitrangada, Princess of Manipur and they had a son named Babruvahan. Arjuna married Shri Krishna's half sister Subhadra after abducting her with Krishna's approval. They had a famous son named Abhimanyu who showed great skills in Mahabharata war but died very young when he was killed by warriors in Chakravyuha.
Nakula married Karenumati, daughter of Chedi King and they had a son named Nirmitra.
Sahdev married Vijaya, daughter of King of Madra and they had a son named Suhotra.
Source- Mahabharata, Gita Press