1. How did Mr. Gregg happen to meet Lautisse?

44/45.Why were the author and his wife returning to Paris?
In order to answer this question I am going to stress the following fact that the two American couples whom American lady meet were going to set up separate residences, being more precisely they were returning to Paris in order to devorce and start living apart.
46.How does the author describe his uncle Octavian as he was in 1925?
A full thirty years ago the uncle Octavian was a rich man in the lavish pride of manhood. He was a charming and accomplished host whose villa on the Cote.Azur was an accepted rendezvous of the great amd he was a hospitable contented and most amiable man until January 3.19.25
47.Where, when and how did uncle Octavian celebrate his fifty-fifth birthday?
On January 3,1925 uncle Octavian gave a dinner party,a party for a twelve people in order to celebrate his fifty-fifth birthday.All of them were old friends; two of them indeed were that were called "old flames".The dinner was holding at Octavian exquisite villa near Cap Antibes (a seasicle resort in South Easthern France near Nice
48.On what terms were the guests with uncle Octavian?
He had long been addicted to what was then called with equal unambiguity a full life it means that with an equal life of pleasure am experience there were a guest such as a news paper proprietor of exceptional intelligence and his fabulous American wife, Habsburg prince amd princess recent prime minister of France
49.What attracted the host's attention on the princess's hand?
Towards the end of a wonderful dinner when dessert had been brought in and the servents had left, uncle Octavian learnt forward to admire magnificent solitaire diamond ring on the princess's hand.Across the table, the news paper proprietor learnt across and asked to have a look on this ring.
50.Why did the princess take off her ring? What did she say about it?
After newspaper proprietor asked princess for her ring to have a look on it she took off the ring and held it out to him. She added also some fact that this was heirloom from her grand mother the old empress amd he had not also worn it for many years. It is said to have once be longed to Greng his Khan. There were exclamations from hand to hand