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.
St. Barbara, if she really existed, would have been declared a saint shortly after her martyrdom. However, there is virtually no evidence that she really existed and her name was removed from the Calendar of Saints and her cult suppressed in 1969.
Saint Agnes was martyred in Rome.
I can find no saint named Coluba.
Saint Oda died in 726.
Saint Non died in 5##.
Saint Honestus died in 270.
Saint Ermengol died in 1035.
Saint Meinhard died in 1196.