Saint Sexburga of Ely died in the year 699 of natural causes.
St. Sexburga is a saint but not a patron saint.
July 6 is the feast day of St. Sexburga.
There is no saint named Seaxburh. There is, however, St. Sexburga of Ely but she is not a patron saint.
Saint Sexburga is the patron saint of the Benedictine convent at Ely in England. She was an Anglo-Saxon noblewoman who became a nun and dedicated her life to religious service, particularly in supporting the growth of the Christian faith in England.
Saint Sexburga became canonized due to her piety, devotion to God, and the miracles attributed to her. She was known for her charitable works, establishing monasteries, and dedication to spreading the Christian faith. Her devout life inspired others, leading to her eventual recognition as a saint in the Catholic Church.
Saint Raphael is an Archangel, not a human. Therefore, as Angels never die, Saint Raphael never died.
I can find no saint named Coluba.
Saint Agnes was martyred in Rome.
Saint Taurinus died in 410.
Saint Bashnouna died in 1164.
Saint Othmar died in 759.
Saint Ovidius died in 135.