Porphyrogenitos

Porphyrogénnētos (Latinized as Porphyrogenitus) (Greek: Πορφυρογέννητος, literally "born in the purple") was an honorific title in the Byzantine Empire given to a son, or daughter (Πορφυρογέννητη, Porphyrogénnētē, Latinized Porphyrogenita), born after the father had become emperor. In addition to this, the birth had to meet other conditions in order for the title to apply.

The concept of porphyrogennetos was known from the sixth century in connection with growing ideas of hereditary legitimacy but the first secure use of the word is not found until 846. The term became common by the 10th century, particularly in connection with Emperor Constantine VII Porphyrogenitus, and its use continued into the Palaiologan period.

Imperial purple was a luxury dye obtained from sea snails, used to colour cloth. Its production was extremely expensive, so the dye was used as a status symbol by the Romans e.g. a purple stripe on the togas of magistrates. By the Byzantine period the colour had become associated with the emperors, and sumptuary laws restricted its use by anyone except the imperial household. Purple was thus seen as an imperial colour.

Constantine VII, who was himself porphyrogénnētos, described the ceremonies which took place during the birth of a porphyrogénnētos child in his work De Ceremoniis aulae byzantinae.

The most distinctive condition was that the child be born in the "Πορφύρα" (Porphýra, the Purple or Porphyry Chamber, a free-standing pavilion of the Great Palace of Constantinople): no child born anywhere else could legitimately be called Porphyrogénnētos. As the Porphyrogennētē Anna Komnena described it, the room rested on one of the Palace's many terraces, overlooking the Sea of Marmora and the Bosphorus Strait, "where the stone oxen and the lions stand" (i.e. the Boukoleon Palace), and was in the form of a perfect square from floor to ceiling, with the latter ending in a pyramid. Its walls, floor and ceiling were completely veneered with imperial porphyry, which was "generally of a purple colour throughout, but with white spots like sand sprinkled over it."

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