Thaku Saheb Megh Singhji, 12th Thakur of Dadrewa.
Rulers of Dadrewa are descendants of Maharaj Pritviraj Singhji, son of Rao Kalyanmal of Bikaner. The Chief is the premiere noble of Bikaner State and enjoys Dohri Tazim and Kurab Hath in Bikaner Darbar, the estate was granted to Thakur Saheb Sundersen son of Maharaj Prithviraj Singhji by Raja Sur Singhji of Bikaner in 1617 AD and consisted of 12 villages. Dadrewa was previously ruled by Chauhan Rajputs till 1566 AD and Rao Lunkaran of Bikaner had laid siege to the fort which lasted for seven months, Thakur Man Singh Chauhan, then ruler fought heroically but finally succumbed along with 500 retainers to Rajkumar Gahrsi ji, younger brother of the Ruler of Bikaner. Ever since then the Pargana of Dadrewa has been the bastion of Rathores of Bikaner.
- Maharaj Prithvi Singhji, son of Rao Kalyanmal (4th Ruler of Bikaner), ancestor of Prithvirajot clan of Bika Rathores. He was born on AD and he was a man of numerous talents, he possessed incredible wisdom, was a renowned scholar and a poet, a great devotee of Vishnu and a great warrior. His prowess as a brave Rajput and a poet has been amply justified by Lt Col James Tod, who had written that "Prithviraj in his time was epitome of rare blend of bravery and mesmerizing poetry which he used with tantalising effect and could fulfill whatever he desired by mere use of words ". Mughal Emperor Akbar held him in very high esteem and he had led Imperial Army on two occasions i.e. 1581 AD against Kabul and 1596 AD against Ahmednagar. Akbar had conferred on him the Gagron (Kota State) Fort in recognition of his bravery and which formed part of his Jagir for a long period. He was a very patriotic and inspite of being part of Mughal court he had famously lend his moral support to Maharana Pratap of Mewar and his famous poem "Pathal Peethal" is testimony to his relentless patriotism which motivated Maharana to continue his resilience against the invaders, married and had issue.
- Kunwar Sundersen (qv)
- Thakur Saheb Sundersen, 1st Thakur of Dadrewa.
- Kunwar Kesri Singhji (qv)
- Thakur Saheb Kesri Singhji, 2nd Thakur of Dadrewa.
- Kunwar Vijay Singhji (qv)
- Thakur Saheb Vijay Singhji, 3rd Thakur of Dadrewa.
- Kunwar Chattar Singh (qv)
- Thakur Saheb Chattar Singhji, 4th Thakur of Dadrewa.
- Kunwar Jodh Singhji (qv)
- Thakur Saheb Jodh Singhji, 5th Thakur of Dadrewa.
- Kunwar Mukund Singh (qv)
- Thakur Saheb Mukund Singhji, 6th Thakur of Dadrewa.
- Kunwar Kushal Singh (qv)
- Thakur Saheb Kushal Singhji, 7th Thakur of Dadrewa.
- Kunwar Lunkaran Singhji (qv)
- Thakur Saheb Lunkaran Singhji, 8th Thakur of Dadrewa
- Kunwar Surajmal (qv)
- Thakur Sheb Surajmal, 9th Thakur of Dadrewa. In 1818 AD he rebelled against Maharaja Surat Singhji of Bikaner which led to conflict with British and state forces under command of General Elner and which eventually led to siege of Dadrewa for 12 days and resultant escape of the Thakur to Sikar, married and had issue.
- Kunwar Hir Singh (qv)
- Thakur Saheb Hir Singhji, 10th Thakur of Dadrewa, he had provided services to Maharaja Sardar Singhji of Bikaner during 1857 AD Sepoy Mutiny, married and had issue.
- Kunwar Ganpat Singh (qv)
- Thakur Saheb Ganpat Singhji, 11th Thakur of Dadrewa.
- Kunwar Megh Singhji (qv)
- Thaku Saheb Megh Singhji (see above)