Complex sentence: Several images survive that depict scenes from the saga of the Norse hero Sigurðr, where Sigurðr is a human, but his foster father Reginn is a Dvergr, a Norse dwarf.
Split into simpler sentences: Several images survive that depict scenes from the saga of the Norse hero Sigurðr. Sigurðr was a human, but his foster father Reginn was a Dvergr, a Norse dwarf.