▁ 1 6 4 0 . ▁During ▁the ▁ 1 7 th ▁century ▁Erik ▁D ahl berg ▁made ▁a ▁sketch ▁of ▁the ▁farm , ▁according ▁to ▁the ▁sketch ▁the ▁farm - house ▁had ▁ 4 ▁flo ors . ▁The ▁cour ty ard ▁was ▁covered ▁by ▁Charles ▁XI ▁reduction ▁and ▁became ▁crown ▁property ▁in ▁ 1 6 9 2 . ▁R iss ne ▁farm ▁was ▁used ▁for ▁military ▁purpose ▁until ▁ 1 8 1 1 . ▁Due ▁to ▁decay ▁the ▁top ▁ 2 ▁flo ors ▁was ▁demol ished ▁because ▁of ▁the ▁ten ant ▁Karl ▁Edmund ▁Ben net . ▁Since ▁ 1 9 8 3 ▁the ▁estate ▁has ▁been ▁protected ▁by ▁her itage ▁building ▁decided ▁by ▁Sund by berg s ▁municipality . ▁The ▁house ▁was ▁restored ▁ 1 9 9 2 . ▁ ▁M ounds ▁in ▁R iss ne ▁have ▁been ▁used ▁for ▁arch ae ological ▁research . ▁The ▁height ▁on ▁the ▁m ounds ▁and ▁the ▁g ifts ▁indicates ▁that ▁R iss ne ▁was ▁inhab ited ▁by ▁the ▁high ▁society . ▁ ▁Business ▁In ▁the ▁north western ▁R iss ne ▁Sk and in av iska ▁En sk ilda ▁Bank en ▁( SE B ) ▁has ▁a ▁large ▁office ▁complex ▁in ▁Bank hus ▁ 9 0 . ▁The ▁smaller ▁office ▁complex es ▁Val la ▁Park ▁and ▁R iss ne ▁Office ▁Center ▁is ▁located ▁closer ▁to ▁R iss ne ▁square . ▁ ▁Dem ograph ics ▁R iss ne ▁is ▁the ▁second ▁largest ▁( in ▁terms ▁of ▁population ) ▁district ▁in ▁Sund by berg ▁Municip ality , ▁where