"All those people are..."
He wanted to say that those people were given to him by his brothers, not some servants of unknown identity.
But are those people really not of unknown identity?
Even if they're not, they might still be spies sent by various princes' mansions to his palace to investigate his situation, right? Perhaps, the disappearance of his son was inextricably linked to those people?
Not only his Eighth Brother, but his other brothers, seeing the Eighth Brother stuffing people into his mansion, would also push their own people into his household.
In the past, he thought, these were all trivial matters, just some servants after all, and it's not like he couldn't afford to pay their salary.
Just accept them all as they come.
But now that he thinks about it, perhaps it's really not that simple.
