Complex sentence: According to a map by Ptolemy, they originally lived in Jutland, which is in agreement with Pomponius Mela, who placed them in Scandinavia (Codanonia), although there was disagreement by these scholars whether or not they were related to the Celts.
Split into simpler sentences: According to a map by Ptolemy, they originally lived in Jutland, which is in agreement with Pomponius Mela, who placed them in Scandinavia (Codanonia). Although there was disagreement by these scholars whether or not they were related to the Celts.