Complex sentence: Born in Pruzhany, Samuel Soloveichik was the youngest son of Moshe Soloveitchik and the younger brother of Joseph Soloveitchik and Ahron Soloveichik.
Split into simpler sentences: Born in Pruzhany, Samuel Soloveichik was the youngest son of Moshe Soloveichik. He was the younger brother of Joseph Soloveitchik and Ahron Soloveichik.