Gumani Singhji was granted Kalyanpur in samvat 1841 (1784 CE) by Maharaja Gaj Singh of Bikaner. He remained very active in the state as Tikai Rajguru and was contemporary with three rulers - Maharaja Gaj singh, Maharaja Raj singh and Maharaja Pratap singh. 

He had 10 sons from 3 wives (Raygurani ji, Bakalyaiji, Gundechiji) whos descendants are living in Kalyanpur - 

1. Tikai Hatti Singh ji
2. Ramchander Singh ji 
3. Virbhan Singh ji
4. Surajmal Singh ji
5. Aaskaran Singh ji
6. Daan Singh ji
7. Bhop Singh ji
8. Sevaram Singh ji
9. Surat Singh ji
10. Moti Singh ji