 Joanna of Savoy-Nemours died in 1568 and Louise's father contracted his third and last marriage in 1569 with Princess Catherine of Lorraine-Aumale.At the age of 20, Louise was described as a beautiful and delicate tall, blonde girl with a white complexion, light brown eyes (veiled by a slight myopia), with a slender and refined silhouette.Her upbringing reportedly resulted in her personality being quiet, dutiful and pious.