Complex sentence: She was present at the abdication of emperor Charles V in Brussels in October 1555, followed by the ceremony when her aunt Mary of Hungary stepped down from the regency of the Netherlands, and she took leave of them on their departure to Spain in October 1556.
Split into simpler sentences: She was present at the abdication of Emperor Charles V in Brussels in October 1555, followed by the ceremony when her aunt Mary of Hungary stepped down from the regency of the Netherlands. She took leave of them on their departure to Spain in October 1556.