Complex sentence: He is descended from Joseph Gillespie of Culkeeran, 18th century land owner; his grandfather served in the Highland Light Infantry in India and then in France during WWI, and his father in the Royal Air Force in Africa and in Italy during WWII.
Split into simpler sentences: He is descended from Joseph Gillespie of Culkeeran, 18th century land owner. His grandfather served in the Highland Light Infantry in India and then in France during WWI, and his father in the Royal Air Force in Africa and in Italy during WWII.