Hildegard Minas Lestia, nicknamed Hilde, is one of Touya Mochizuki's wives. Hilde is also the first princess of Knight Kingdom of Lestia and she is currently living with Touya and everyone else at Brunhild Dukedom. Hilde is shown as a slender and well-built female knight. She has long blonde hair kept in a with blue eyes and clean white skin. She usually wears a red and white dress, which is longer in the back, a white cape, thigh high black stockings, and knee high black boots. In her hair, she wears a silver tiara and an indigo bow. When fighting, she wears magic-enchanted mithril armor which decorated with gold and Lestia royal family emblem on the breastplate. After being engaged to Touya, that emblem is replaced with that of the Brunhild Dukedom She appears as a chivalrous and dignified person and she usually talks in formal speech. She has interest in swordsmanship and together with Yae Kokonoe, they are both called sword art nuts. She has has shown to be easily embarrassed in situations involving romantic scenarios with Touya as shown during her first encounter with Pam.