Bertha is from the Old Germanic beraht (bright). **Bertha of Kent (c. 565-c. 601)** — Merovingian Frankish princess who **married Æthelberht of Kent, becoming the first Christian queen in Anglo-Saxon England**. **Her presence prepared the ground for Augustine of Canterbury's 597 mission** — she had brought her chaplain and Christian worship to Kent decades earlier. **The mother of Christian England.**
Featured in Bede's *Ecclesiastical History*.
Bertha reduces to two — the number of Christian England's mother.