This association was further enhanced after the female Christian missionary , Nino , converted Nana , his wife Mirian and household into Christianity in or around 337 . This association was further reinforced after the female Christian missionary Nino , Nana , his wife Mirian and household were converted into Christianity in or around the year 337 . This association was further strengthened after the Christian female missionary Nino , Mirian , his wife Nana and household converted to Christianity in or around 337 .