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## Introduction
One of the Pattavalis (genealogical lists) compiled in the past is the Dharmaghosha Suri Krit Dushma Kaal Shraman Sangh Stava. Its composition is estimated to have taken place in the 13th century Vikram Samvat. In this, the name of Umaswati comes after Haribhadra and Jinabhadra, but Haribhadra has written a commentary on Umaswati's Tattvarthabhashya. These are scholars of the 8th-9th century Vikram Samvat, therefore, from the perspective of the chronological order of the Acharyas, this Pattavali cannot be considered a special proof. In this, the position of the commentator Umaswati in 720 Vikram Samvat has been accepted.
The Tapa Gachchha Pattavali, compiled by Dharmasagar Gani, was written in 1646 Vikram Samvat. In this, after mentioning Jinabhadra, Vibhudh Prabha, Jayanand, and Raviprabha, the name of Umaswati is mentioned and his time is stated as 720 Vikram Samvat. Although he has mentioned Umaswati as a disciple of Balissah, one of the two disciples of Aryamahagiri, namely Bahul and Balissah, and has considered the possibility of this first Umaswati being the author of the Tattvarth Sutra. But this possibility of his is misleading. Because in the 26th verse of the Nandisutra Pattavali, the word 'Hariyagatam Savam' comes. In which there is a mention of Swati of the Harit Gotra. It seems that Dharmasagar Gani, seeing the partial similarity in the name, has mistakenly suspected him to be the author of the Tattvarth Sutra in the second place. Pandit Sukhlalji has also declared this suspicion to be misleading.
Vinayavijaya Gani completed his Lokaprakash in 1708 Vikram Samvat. He considers Umaswati to be a Yuga Pradhan Acharya and accepts his position between Jinabhadra and Pushpamitra. He has not mentioned the time of Umaswati in his Pattavali.
Ravivardhan Gani (1739 Vikram Samvat) has also mentioned Umaswati in Pattavali Saroddhara. While mentioning the time in it, the actual time Veer Ni. Samvat 1190 (Vikram Samvat 720) has been accepted.
These are the Pattavalis of the Shwetambar tradition in which Umaswati is mentioned. Although these Pattavalis are relatively modern and there are some differences in them, it is not appropriate to consider them completely baseless. Based on the things mentioned in them, the following facts are derived:
1. The commentator Umaswati was a Yuga Pradhan Acharya. He lived around 720 Vikram Samvat. It is very likely that for this reason, there is no mention of his tradition in the Nandisutra Pattavali and the Kalpasutra Sthiravali.
2. Although Ravivardhan Gani has mentioned the commentator Umaswati before Jinabhadra Gani, but from the point of view of time, Ravivardhan Gani has stated him to be after Jinabhadra Gani, therefore, considering the actual time accepted unanimously in all the above Pattavalis, in the light of other evidence, it seems more likely that he lived after Jinabhadra Gani.
3. A eulogy is also available at the end of the Tattvarthabhashya in which the commentator Umaswati has called himself the author of the Tattvarthadhigam Shastra. But since there is no mention of time etc. in it, this eulogy seems to be only supplementary to the aforementioned facts related to time.
We have already accepted this on the basis of many proofs that the commentator Umaswati composed the Tattvarthabhashya and gave the final form to the text of the Tattvarth Sutra accepted in the Tattvarthabhashya, therefore, even after accepting these facts in this form, the commentator Umaswati is the author of the original Tattvarth Sutra.
1. See their Tattvarth Sutra introduction page 2. 2. All four Pattavalis are printed in the first part of Shri Pattavali Samucchya edited by Muni Darshan Vijay.