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Wiki information Sigynn:
The Sigynnae were an obscure people of antiquity. They are variously located by ancient authors. According to Herodotus, they dwelt beyond the Danube, and their frontiers extended almost as far as the Eneti on the Adriatic. Their horses were small...
Sigynn Terselius is the mother of both actress Lil Terselius and her sister, production designer and costume designer Anne Claridge.