{"version":"1.0","type":"link","title":"Isaak Boretsky - Newikis","description":"Isaak Andreyevich Boretsky (Russian: Исаак Андреевич Борецкий; died after 1456) was a Russian nobleman who served as a posadnik (mayor) of Novgorod in the 15th century.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}