 Around 1100 Hillinus, a deacon and cantor of the church of Fosses, wrote a metrical life of Foillan for his master Sigebert, the patron of Fosses.Soon afterwards, between 1102 and 1112, Hillinus also wrote a prose "In Miraculis Sancti Foyllani Martyris", a book of the miracles associated with St. Foillan at Fosse.According to Gratten Flood, ""About the year 653, St. Gertrude, of Brabant, (daughter of Pepin, Mayor of the Palace), abbess of Nivelle, in Brabant, sent for St. Foillan and St. Ultan, brothers of our celebrated St. Fursey (Patron of Perrone), to teach psalmody to her nuns.