Mariam Dadiani was a daughter of Manuchar I Dadiani, Prince of Mingrelia, by his second wife, Tamar Jaqeli. Thrice married, successively to Simon I Gurieli, Prince of Guria, in 1621, King Rostom of Kartli in 1638, and the latter's adopted son and successor, King Vakhtang V in 1658.
Mariam Dadiani. A drawing from the album of the contemporaneous Roman Catholic missionary Cristoforo Castelli, who lived in Georgia from 1627 to 1654.
A 17th-century fresco from the Svetitskhoveli Cathedral in Mtskheta depicting Mariam and her son Otia.
Image: Simon Gurieli
Image: Rostom
Rostom or Rustam Khan was a Georgian royal, from the House of Bagrationi, who functioned as a Safavid-appointed vali /king (mepe) of Kartli, eastern Georgia, from 1633 until his death.
King Rostom by Teramo Castelli