Are these paraphrases?
Jacob Slichter was the brother of geophysicist Charles Pence Slichter , the father of the physicist Louis B. Slichter and the grandfather of the musician Sumner Slichter .
Sumner Slichter was brother of the geophysicist Louis B. Slichter , father of the physicist Charles Pence Slichter and the grandfather of the musician Jacob Slichter .

Choose from:
(1). no
(2). yes
(1).