relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 1893,ENT_OCEANUS,parent_of,ENT_INACHUS,high,"Pseudo-Apollodorus Library 2.1.1: Inachus, father of Io, is son of Okeanos and Tethys.",SRC_APOLLODORUS_LIBRARY,approved, 1913,ENT_TETHYS,parent_of,ENT_INACHUS,high,Pseudo-Apollodorus Library 2.1.1.,SRC_APOLLODORUS_LIBRARY,approved,