Jacob Olsen

I am trying to find the death record for Jacob Olsen (Objorden?). I believe he died 31 Aug 1829 in Sandsaever, Buskerud possibly in Hedenstad. Believe he was born 18 Dec 1757 and was married 20 Aug 1786 to Anne Margrete Olsdatter(Goterud) The death record I found lists his age as 74 but if I use his birth date and death date he was 72. Have not found the actual record of birth yet. Would appreciate any help I can get. Thanks