In 789, Beorhtric married Eadburh, a daughter of Offa; the Chronicle records that the two kings combined to exile Egbert to Francia for "three years", adding that "Beorhtric helped Offa because he had his daughter as his queen".
Pada tahun 789, Brihtric menikahi Ēadburh, putri Offa; Sejarah mencatat bahwa dua raja bergabung untuk mengeksil Egbert ke Frankia selama "tiga tahun", menambahkan bahwa "Brihtric membantu Offa karena ia menjadikan putrinya sebagai ratunya".