What were the names of the four Ramdasi devotees who came from the Madras region?

The provided excerpts from Chapter 29 of the Shri Sai Satcharita do not mention the names of any of the four devotees from the Madras region. The text describes the group as 'One man with three women - the entire group of four together - mother-in-law, wife, and daughter.' It notes that their tradition was of the Ramdasi sect and that they performed devotional singing. However, the narrative focuses on their interaction with Sai Baba as a group rather than providing any personal names or further identifying details about the individuals.