On July 1 of the same year Pope Sixtus V approved the new group, and on April 9, 1589, the co-founders made their solemn vows, Ascanio taking the name Francis, the name by which he was subsequently known.
In the same year that Pope Sixtus V approved a new group, the co-founders made their solemn vows on April 9th, 1589.  Ascanio took the name Francis, which he would be known by thereafter.