The smaller figures are of Nefertari, his favorite wife, and some of their many children. An earthquake caused the second figure to crack and fall off; they have left the broken pieces on the ground.
I had to go away for a bit and when I got back, this picture was sort of stunning. I like the angle and the sky looks as if you had a poloroid filter on it's so solid.
About what they did with the 2nd statue, they share my notion of housekeeping.