Robert Fredericks is a character mentioned in Night at the Museum: Secret of the Tomb.
Night at the Museum: Secret of the Tomb
Robert was the father of Cecil Fredericks. He was part of an expedition to find King Ahkmenrah's Tomb. He and his team find it when Cecil falls in a hole, and lands right into the tomb, which contained the king, two of his family members and the Tablet of Ahkmenrah.