Complex sentence: Yitzchok (Isaac) Hutner (1906--1980) was an Orthodox rabbi and American rosh yeshiva born in Warsaw, Poland, to a family with both Ger Hasidic and non-Hasidic Lithuanian Jewish roots.
Split into simpler sentences: Yitzchok (Isaac) Hutner (1906--1980) was an Orthodox rabbi and American rosh yeshiva. Yitchok Hutner was born in Warsaw, Poland, to a family with both Ger Hasidic and non-Hasidic Lithuanian Jewish roots.