Complex sentence: In present times, there are a few Jains of the Marathi Jain ethnic group but most of those living in present day Maharashtra trace their origins to either Rajasthan or Gujarat.
Split into simpler sentences: In present times, there are a few jains who can be described as being of the Marathi Jain ethnic group. Most of the Jains in present day Maharashtra trace their origin to either Rajasthan or Gujarat.