Complex sentence: The period of Sri Sachchidananda Bharati I was during the 17th century under the reign of Nayak dynasty of Madurai as per Madurai_Nayak_dynasty under the two Nayak kings Muttu Virappa Nayaka (1609--1623) and Tirumalai Nayaka (1623--1659).
Split into simpler sentences: The period of Sri Sachchidananda Bharati I was during the 17th century under the reign of Nayak dynasty of Madurai as per Madurai_Nayak_dynasty. Under the two Nayak kings Muttu Virappa Nayaka (1609--1623) and Tirumalai Nayaka (1623--1659).