Rajmata
Rajmata is an Indian term used for the mother of the head of a princely family in India.
Examples include
Rajmata Scindia of Gwalior was once termed "Narajmata" by the erstwhile chief minister of Madhya Pradesh Dwarka Prasad Mishra, her political opponent.
Rajmata Gayatri raje puar of Dewas M.P, mother of Bhikram singh.