Avradsfrihet

[Maryann Rosie]

Can anyone tell me what this would mean in English? Context is Olof Eriksson Bonde in Stugun
Translation by Google
Biography Received March 19, 1540 by King Christian (lll) Fredriksson avradsfrihet like his two brothers and Bengt Ivar. Source: Erik Eriksson Stugun Genealogical Book Part 1  
 
In Swedish
Erhöll den 19 mars 1540 av konung Christian (lll) Fredriksson avradsfrihet i likhet med sina bägge bröder Bengt och Ivar. Källa: Erik Eriksson Stuguns släktbok del 1

[Leif Tennare]

'Avrad' was a fee paid by the farmer to the land-owner or the state.  
 
In this case they were relieved from this burden by the King, which implies that the land belonged to the crown.