Question: What relation was Samuel P. Bush to the 41st President of the USA, George H. W. Bush?
Sentence (from "George H. W. Bush"): Previously known as simply "George Bush", since 2001, Bush has often been referred to as "George H. W. Bush", "Bush 41", "Bush the Elder", or "George Bush Senior" to distinguish him from his eldest son, George W. Bush, the 43rd President of the United States.
Relevant evidence: Yes