Bertila de Chelles was a 7th-century Frankish abbess born in Soissons to a prominent family. After being educated at the Jouarre monastery under Saint Thelchildis, she was appointed as the first leader of Chelles Abbey in 646. During her long tenure, she became a respected educator, attracting various noblewomen and princesses to her community. She was noted for her intense asceticism and her commitment to monastic discipline throughout her life.