(Ström in the parish of Norrsunda), Fornesitune and Guazbro (probably Vadsbro). The villages had earlier belonged to the bishop of Sigtuna, but they had been confiscated by the crown when the bishopric had been moved to Gamla Uppsala. In 1299, Birger Magnusson, the son of Magnus Ladulås, spent some time in Old Sigtuna as one of his letters was written in Sightonia Antiqua (in Malmberg, Ernst: Svenska slott och herresäten) or apud antiquam Sightoniam The difference seems to be a matter of presenting the name in the nominal case or preserving the case in which the name appeared in the original text. In 1315, according to Svenskt Diplomatarium (SD) III nr 2032 (s.228), Erik Magnusson was bestowed a part of Old Sigtuna, which is called Siktonia vetus (vetus being Latin for "old"). Neighbouring properties are also named: Norgungi (Norränge in Håtuna) and Frötunum (Frötuna in Håbo-Tibble) In 1541, according to Kammar-ark.: jordeböcker, Uppland 1541 nr 5, the location is named as one of Gustav I Vasa's estates and spelled Forsictuna, Foorsictuna and Fforssiiktwna (in Malmberg, Ernst: Svenska slott och herresäten). In 1542, according to Gustav Vasas jordebok are mentioned Foorsictuna and Norringe (Norränge) In 1551, according to Sven Nielssons jordebok för Stäkets län, it is mentioned as the royal estate of Forsictuna (Malmberg, Ernst: Svenska slott och herresäten and Friesen: Om staden Sigtunas ålder). In 1567, it is mentioned as Foder Sictuna in the province of Uppland In the 17th century, the name Försigtuna is used on a map (Lantmät.verk. Gävle). Since the 17th century, the location has been a manor named Signhildsberg or Signesberg. References Other Sources Nationalencyklopedin and A historical review of the name, from which the information about the name and dates is taken. Related reading Jonas Ros: Sigtuna och folklanden : den tidiga Sigtunamyntningen och den politiska (Fornvännen 2002(97):3, s. [161]-175) Archaeological sites in Sweden Viking Age populated places Locations in Norse mythology Saga locations Former populated places in Sweden Sigtuna Municipality