Complex sentence: Their son Edmund Hubert de Trafford served with distinction in World War One and married the Hon. Cecilia Strickland later emigrated to Malta, their daughter Elizabeth returned to England and married Admiral Arthur Francis Turner.
Split into simpler sentences: Their son Edmund Hubert de Trafford served with distinction in World War One, married the Hon. Cecilia Strickland later emigrated to Malta. Edmund and Cecilia's daughter Elizabeth returned to England and married Admiral Arthur Francis Turner.