Complex sentence: Fourteen months before 25 May 1993, Boeing and Lauda Air came to a joint settlement with most of the families of the deceased victims, but by 25 May 1993,20 families that had children as claimants had not yet received settlement money.
Split into simpler sentences: Fourteen months before 25 May 1993, Boeing and Lauda Air came to a joint settlement with most of the families of the deceased victims. By 25 May 1993,20 families, which had children as claimants, had not yet received settlement money.