Complex sentence: Her father, Adrianus Perk, was successful enough to send his sons for an academic education, but not his daughters, but in 1871, Betsy Perk became the first woman to attend a Dutch university.
Split into simpler sentences: Her father, Adrianus Perk, was successful enough to send his sons for an academic education, but not his daughters. However, in 1871, Perk became the first woman to attend a Dutch university.