Question: Are Cephissus (Athenian Plain) and Wigger (River) located in the same country?
Sentence (from "Cephissus (Athenian plain)"): The" Bibliotheca"( 3.15.1) declares that Erechtheus' wife Praxithea was daughter of Phrasimus( otherwise unknown to us) by Diogenia( otherwise unknown to us) daughter of Cephissus.
Relevant evidence: No