Yakov Permyakov
In 1712 , Permyakov and his companion Merkury Vagin crossed the Yana Bay from the mouth of the Yana to Bolshoy Lyakhovsky over the ice and explored the then unknown island . 
<triplet> Yana Bay <subj> Yana <obj> tributary <triplet> Yana <subj> Yana Bay <obj> mouth of the watercourse