Answer

Parasnath Prabhu ka pratham naam Parshvakumar tha.

Explanation

Bhagwan Parshvanath, Jain Dharma ke 23वें Tirthankar hain. Tirthankar banne se pehle ve rajkumar the, isliye unka naam Parshvakumar kaha jata tha.

Takeaway

Parasnath Prabhu ko diksha aur kevalgyan se pehle Parshvakumar ke roop mein jaana jata tha.