Complex sentence: Philip Hart was married to Jane "Janey" Hart, the daughter of Walter Briggs, one-time owner of the Detroit Tigers, and noted philanthropist, and an airplane and helicopter pilot, (of Mercury 13 fame) and they had eight children.
Split into simpler sentences: Philip Hart was married to Jane "Janey" Hart, the daughter of Walter Briggs, one-time owner of the Detroit Tigers, and noted philanthropist. Jane was an airplane and helicopter pilot, (of Mercury 13 fame) and together they had eight children.