hreystibragurnafnorð karlkynBeygingeintalaán greinismeð greininf.hreystibragurhreystibragurinnþf.hreystibraghreystibraginnþgf.hreystibraghreystibragnumef.hreystibrags / hreystibragarhreystibragsins / hreystibragarinsnf.þf.þgf.ef.