Guy's Family

Guy's family perished in the tar pits and their last words were to encourage Guy to live on and follow his dreams.

It is unknown how many individuals are and who they were, but it is later revealed that his family consisted of a mother and father at the beginning of The Croods: A New Age.

The Croods: A New Age
In the beginning of the film, Guy's family are seen sinking in the tar pits where his father tell him that he needs to go while Guy doesn't move away and stays in front of them that his father tells him that "the tar is rising.", but Guy still wants to help them.

However, his mother makes him look at the sun behind him and tells him that "you need to follow that light. Don't stop, don't hide. Follow the light and you'll find tomorrow."