Wiktionary
house divided
n. Something characterised by internal dissent or conflict.
Wikipedia
House Divided
"House Divided" is the twenty-second episode of the fifth season of House. It aired on April 27, 2009.
Usage examples of "house divided".
A whole jumble of admonitory texts took possession of his mind: A house divided against itself could not stand .
But she was a house divided against itself, and she knew it as well as he.
The fall of Jerusalem had awakened them to the danger of a house divided.