y como la yegua la avian tenido en el mismo aposento adonde Cortes y los indios estavan ablando, pateava el cavallo,
and since the mare her had.3Pl kept in the same room where Cortes and the indians were talking, kicked the horse
And since they had kept the mare in that same room where Cortes and the indians were having the meeting, the horse got excited and started kicking