As I wrote my post about Ælfflæd, dedicated to the Church when she was a baby, I came to the realization that this 7th century royal family didn’t have a lot of luck with marriages.
One sister, wed to the son of her father’s enemy, might have played a role in her husband’s death. Another was murdered by her royal husband’s noblemen. Two brothers had wives who ended the marriage and took the veil.
Ælfflæd, on the other hand, went on to become an abbess at a center for learning—and she influenced Church and royal affairs. For more about her, see my post on English Historical Fiction Authors.