The Lopukhin family was a noble family of the Russian Empire, forming one of the branches of the Sorokoumova-Glebov family. One of its members, Eudoxia Lopukhina, married Peter the Great. When Pyotr Lopukhin's son died childless, the family's princely title passed to

Based on that paragraph can we conclude that this sentence is true?
Pyotr Lopukhin did not have a child.
No