In 1488, the alley is named Swen helsingx grendh after the magistrate Sven Helsing inhabiting it, and in 1490 it is referred to as Suen helsingx bryggehus och brun mot twergrenden ("Sven helsing's brewery and well next cross-alley").
In 1488, the alley was named Swen Helsingx Grendh in honor of magistrate Sven Helsing who lived there, and by 1490 it was called Suen Helsingx Bryggehus och Brun mot Twergrenden ("Sven Helsing's brewery and well next cross-alley").