Complex sentence: Completed in 1907, the convent was home to the Redemptoristines nuns all the way up to the 1990s, when declining numbers and old age forced the remaining nuns to relocate to Sainte-Thérèse north of Montreal.
Split into simpler sentences: Completed in 1907, the convent was home to Redemptoristines nuns into 1990s. The needs of old age forced the remaining nuns to relocate to Sainte-Thérèse north of Montreal.