Complex sentence: The central vaulted chamber of the tomb contains a marble platform with two cenotaphs, one that commemorates Nur Jahan and the other to commemorate her daughter, Ladli Begum.
Split into simpler sentences: The central vaulted chamber of the tomb contains a marble platform with two cenotaphs. One is for Nur Jahan and the other said to be for her daughter, Ladli Begum.