Complex sentence: Saint Felix of Valois (April 16,1127--November 4,1212) was a hermit and a co-founder (with Saint John of Matha) of the Trinitarian Order.
Split into simpler sentences: Saint Felix of Valois (April 16,1127-November 4,1212). He was a hermit and a co-founder (with Saint John of Matha) of the Trinitarian Order.