Complex sentence: She had four children, two of whom survived to adulthood, and, from the time of Thomas becoming a master printer until her death, she wrote, printed, and distributed over ninety broadsheets and pamphlets under her own prominently displayed name.
Split into simpler sentences: She had four children, two of whom survived to adulthood. From the time of Thomas becoming a master printer until her death, she wrote, printed, and distributed over ninety broadsheets and pamphlets under her own prominently displayed name.