Complex sentence: The fact, however, that the Anima Christi was composed sometime before 1439 disproves any claim that he might have of being its author, though much like Ignatius of Loyola, Bernardine made frequent use of it and recommended it to his brethren.
Split into simpler sentences: The fact, however, that the Anima Christi was composed sometime before 1439 disproves any claim that he might have of being its author. As in the case of St. Ignatius, Bernardine also made frequent use of it and recommended it to his brethren.