relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 1908,ENT_OCEANUS,parent_of,ENT_CLADEUS,high,The Olympian river Kladeos is son of Okeanos and Tethys in the local genealogical tradition.,SRC_APOLLODORUS_LIBRARY,approved,