How do you open the first ancestral chest in Fable 2 in the first tomb?

To open the first ancestral chest in Fable 2 in the first tomb, you need to collect all five of the tomb seals. These seals are located in various locations within the tomb and can be obtained by solving puzzles, defeating enemies, or interacting with objects. Once you have all five seals, you can use them to open the chest and claim the reward inside.