About “Jamsariya” gotra in Digambar Jains, there is very little reliable, written Jain–Dharmic history available in standard texts. It seems to be a family / clan gotra used by certain Jain communities, not a gotra that is described in the main śāstras.

A few important points:

1. In Jain Dharma, main focus is not on gotra–history

Jain āgams and Digambar granths mainly teach: - Tattva (seven–nine fundamentals) - Vrat, sāmāyik, prāyaścitta, etc. - Charitra of Tirthankars and great āchāryas They do not give detailed stories of every modern community gotra (like Jamsariya, etc.). Those details, if written, usually come from samāj–itihās or kul–vṛttānta (community/family histories), not from core religious scriptures.

1. What “gotra” means for a Digambar Jain layperson

- Gotra is basically lineage / family–clan identity. - It is used mainly for: - identifiying family roots, - and deciding suitable marriage alliances (to avoid very close blood relations). - It does not affect: - your ability to do sādhanā, - eligibility for dīkshā, - or spiritual progress. From a dharmic view, guṇa (qualities) and charitra (conduct) are important, not which gotra you are born in.

1. About “history” of Jamsariya gotra

- I could not find any authoritative Jain–dharmic source (like a recognized Digambar Jain granth or well–documented community history) that clearly tells: - when Jamsariya gotra started, - from which ancestor it began, - in which exact region it first formed. - That means any very detailed story you hear (like “one king did this, then got this title Jamsariya…”) is usually local or family tradition, not something all Jain scholars would accept as śāstra–based history.

1. If you want to research your Jamsariya gotra further

For genuine information, the best places are: - Your own elders – dādā–dādī, nanā–nanī, older chāchā/māmā etc. Often they know: - original village / region, - earlier surname, - kuldevi / kuldev, etc. - Community records: - old vāhīvāṭ books, - “Jain jāt / samāj history” books specific to your region (Rajasthan, MP, UP, etc. depending on your family). - Jain genealogical books (like various “Jain Gotra / Vanshavali” compilations) – some of these list gotras with very short notes on origin. Even there, many smaller gotras have only 1–2 lines or only a name.

1. Spiritual angle (most important in Jain view)

From a Digambar Jain spiritual standpoint: - Whether one is Jamsariya, Porwal, Oswal, Khandelwal, etc., all are simply jīvas bound by karma. - By samyag darshan–jnān–chāritra, any jīva can move towards keval jnān. - So, knowing your gotra history is good for parivār–itihās (family interest), but does not change your dharmic duties: ahimsā, satya, brahmacharya, aparigraha, daily sādhanā, and avoiding paap.

Because there is no clear, widely accepted Digambar Jain textual record on Jamsariya gotra specifically, I cannot give you a precise “official” history.

If you want to go deeper, the most accurate path is to combine:

• local community / family documents,
• oral history from elders,
• and, where available, regional Jain samāj history books.