What happened in chapter 4 in La Catrina

In the last scene, the police and ambulances are outside the library and when asked by a reporter what happened, a witness at the scene says that it appears Demetrio has had some kind of accident. Jamie meets up with Rogelio at the library and finds out that don Demetrio happened upon a thief the night before.

singular pronouns meaning plural pronouns

me

nos

te  

os

le

les

i think that's right. hope this .

18th century i believe it is.