Complex sentence: In that same year she dealt with death of her father and, two years later, the death of her mother, which then motived her to stop her studies to start a window-making and framing workshop with her brother Wilfredo.
Split into simpler sentences: In that same year, she dealt with death of her father and, two years later, the death of her mother. The loss of her mother prompted her to stop her studies in order to start a window-making and framing shop with her brother Wilfredo.