[5] She is sometimes confused with another St. Agia, the mother of the French Saint Loup of Sens.

Little is known about Aye's early life or date of birth, but available sources state that she was the daughter of Brunulphe I, Count of the Adrennes and a relative of Saint Waldetrudis.

[1] She was married to Saint Hidulf (or Hydulphe) of Hainault until both decided to enter religious life, after which point they parted ways.

She is believed to have gained the title due to a lawsuit that decided "her heirs against the Canonesses of Mons".

[1] A variant legend states that she righted an injustice by speaking from beyond the grave.