Rabbi Samuel had 5 sons
1- Rabbi Herz ABD Ostrog
2- Rabbi Chaim ABD Krementz
3- Rabbi Liber ABD Apta
4- Rabbi Koppel of Posen
5- Rabbi Yoel of Krakow
Please add the missing sons.
The source- Rabbi Yosef Leib Brandes G-grandson of Maharal.
The document was written in 1768 and way more reliable compare to Rabbi Perles document
