Complex sentence: He participated in the liberation of Paris in August 1944 and the following year, he married Violette Chapellaubeau and they lived in Landau working as a Lieutenant in the French Occupation army in Germany.
Split into simpler sentences: He participated in the liberation of Paris in August 1944. The following year, he married Violette Chapellaubeau and they lived in Landau, where Morin worked as a Lieutenant in the French Occupation army in Germany.