Batonishvili
Left: A seal of 9 or 10 years old royal prince Erekle (future King Erekle II), written in Asomtavruli script reading "Batonishvili Erekle". 
Right: Batonishvili Nino, a granddaughter of King Erekle II.
Right: Batonishvili Nino, a granddaughter of King Erekle II.
Batonishvili (Georgian: ბატონიშვილი, lit. 'a child of a lord or sovereign') is a title for royal princes and princesses who descend from the Kings of Georgia from the Bagrationi dynasty.
Batonishvili is suffixed after or before the given names e.g. David Batonishvili or Batonishvili Ioane, etc.