Sidronio Camacho
On June 18 , 1917 , Camacho killed Emiliano's brother , Eufemio Zapata , who had beaten up Camacho's father , at the time Eufemio's second in command , supposedly for drunkenness ( according to some sources it was Eufemio who was drunk , not Sidronio's father ) , at Cuautla , Mexico . 
<triplet> Cuautla <subj> Mexico <obj> country