Offa countered with a request that his son Ecgfrith should also marry Charlemagne's daughter Bertha: Charlemagne was outraged by the request, and broke off contact with Britain, forbidding English ships from landing in his ports.
Offa membalas permintaan bahwa putranya Ecgfrið juga harus menikahi putri Charlemagne, Bertha: Charlemagne sangat marah dengan permintaan itu, ia memutuskan kontak dengan Inggris, melarang kapal-kapal Inggris mendarat di pelabuhannya.