Þá helgum vér Guði musteri í hjörtum órum … Níu englasveitum helgum vér musteri …
then hallow.PRS we.NOM god.DAT temple.ACC in hearts our  nine.DAT host-angels.DAT hallow.PRS we.NOM temple.ACC 
Then we hallow to God a temple in our hearts… To nine host angels we (also) hallow a temple…