He was born in Vashilishok (Vasilishki), Grodno region. He was the author of the booklet Hanoded, tsehn naye moralishe lider in yudisher shprakh, der na venad (The wanderer, ten new moralistic poems in Yiddish, the wanderer), [second title page:] Hanoded: “The traveler / A new guest / Cooked with meat / These years writing / Good news / Every last person, every Jew / You shall be filled with joy / Through the fresh new poem / Good ethics and morals in his objective / From Ya”sh, native of Vasilishki” (Baksht: Yitskhok-Moyshe, 1843), > 72 pp. The name of the author is clear from his few words to his mother.
Source: Zalmen Reyzen, Leksikon, vol. 4.