Oslos language is Norwegian. You will have to look hard to find anyone who doesn't speak English. There are also many immigrants who speak their own language like Urdu and Hindi. As there are many swedes here you will also hear a lot of swedish, especially at restaurants.
Elvis Presley and Oprah Winfrey are related. According to archives including "Trace Back Your Family Tree" and "History's Greatest Connections," Elvis's second cousin Margret Thomson Gordon Presley was born to Father Sir Justin Thomson Husein. Sir Justin had a younger sister Claude Tomsen who was send to a orphanage in Nice France. She later married James Keyara of South Africa and moved back to United states of America They had 13 children, the youngest named Margret Keyara who married into a rich oil mining family known as the Oslos, She died "accidentally" after try to divorce Oslos oldest son Richard. Fortunately she had a daughter with Richard before her death. Her daughter Amy was sent to a poor family living in the dodgy side of Mississippi. There Amy had unprotected sex with a man named Lincoln Winfrey. She gave birth prematurely at the age of 16 and named her child Oprah Gail Winfrey. She was sent to live in inner city Milwaukee were she was brought up by a humble barber. Now she is one of the most influential people in the world. Elvis's Second Cousin, once removed great grand daughter is Oprah. So Elvis's Great Grand mother is Oprah's Great grand mother's great grand daughter. So Elvis and Oprah are second cousin's three times removed.