He married Bertha, the Christian daughter of Charibert, king of the Franks, thus building an alliance with the most powerful state in contemporary Western Europe; the marriage probably took place before he came to the throne.
Casou con Berta, a filla cristiá de Cariberto, rei dos francos, facendo así unha alianza co estado máis poderoso da Europa Occidental de entón; o matrimonio probablemente constituíuse antes de Aethelberht ascender ao trono.