1)
What honor do the kings have?
1.
Malbim: (a) They were lied down in great honor, like the way of kings. (b) Refer to 14:18:2:2.
2)
What houses are they in?
1.
Rashi citing Targum Yonasan: Each is in his grave.
2.
Malbim: In the royal graves that they prepared for themselves in their lifetimes, in their palaces.