sentence1: He was the son of Shmuel Binyamin Sofer ( “ Moses Sofer ” ) and grandson of Ksav Sofer ( the “ Chasam Sofer ” ) .
sentence2: He was the son of Shmuel Binyamin Sofer ( " Ksav Sofer " ) and grandson of the Moses Sofer ( the " Chasam Sofer " ) .