Annia Aurelia Galeria Lucilla (March 7, 148 or 150-182) was the second daughter and third child of Roman Emperor Marcus Aurelius and Roman Empress Faustina the Younger and an elder sister to future Roman Emperor Commodus. Lucilla was the younger twin. Her elder brother Gemellus Lucillae died around 150. She was born and raised in Rome. Lucilla’s maternal grandparents were Roman Emperor Antoninus Pius and Roman Empress Faustina the Elder and her paternal grandparents were Domitia Lucilla… (More on Lucilla)