Alpaïs of Paris illegitimate daughter of Louis the Pious (0794–0852) Parents Theudelinde de Sens Louis the Pious Himiltrude Charlemagne Children Suzanne Engeltrude Leuthard II of Paris Siblings Louis the German Pepin I of Aquitaine Arnulf of Sens Hildegard, princess of Francia Gisela Lothair I Adelaide of Aquitaine Charles the Bald Bertha Rotrude Partners Bego of Paris