sentences:  The alley is named after Staffan Sasse, a man originating from Westphalia in Germany, who bought a house "belæget paa køpmana gatwne" ("situated on Köpmangatan" (Merchant's Street)) in 1524, and the alley was associated with his name from 1569.He served, first under Sten Sture the Younger (1493–1520), and then under King Gustav Vasa (1496–1560) during the ousting of the Danish forces.Staffan Sasse was raised to peerage in 1524 and appointed court bailiff in 1531.