| Type: | Jain |
| Nandivardhana | |
| Deity Of: | Gaṇa Mukhya of the Nāya Republic |
| Father: | Siddhartha |
| Mother: | Trishala |
| Siblings: |
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| Predecessor: | Siddhartha |
| Dynasty: | Ikshvaku dynasty |
Nandivardhana was a Kshatriya from the Ikshvaku dynasty and the chief of the Nāya Republic in Kundagrama, a suburb of Vaishali (Basarh in modern-day Bihar).[2] He was the elder brother of Mahavira, the 24th Jain Tirthankara. His father was Siddhartha.[3] .According to the second chapter of the Śvētāmbara Ācārāṅga Sūtra, Siddhartha and his family were devotees of Parshvanatha.