1) Boeotian mythology 
In Greek mythology, Boeotus (s; Βοιωτός Boiotos) was the eponym of Boeotia in Greece. Poseidon fathered both Aeolus and Boeotus with Arne (Melanippe). It was then through Boeotus that Arne became the ancestress of the Boeotians. In some traditions Boeotus is the father of Ogyges. A late source tells the story of Boeotus` marriage to Euryth....
a son of Arne and Poseidon, and ancestor of the Boeotians.