Complex sentence: This may represent confusion between two wives, or it could be that Sigrid herself is a confused duplicate memory of the same historical wife, meaning that the woman called Gunhild in the sagas was actually Eric's widow, as several historians have concluded.
Split into simpler sentences: This may represent confusion between two wives, or it could be that Sigrid is a confused duplicate memory of the same historical wife. This would mean that the woman called Gunhild in the sagas was Eric's widow, as several historians have concluded.