Benedict Cumberbatch and his wife Sophie Hunter have become parents for the second time, it has been claimed, with the arrival of a second son: Hal Auden Cumberbatch.The Mail On Sunday reported the new baby arrived on March 3 at the private Portland Hospital in London.He appears to be named after the poet, WH Auden, with Hal the name made famous by Shakespeare as a nickname for the young Henry V. Cumberbatch and wife Sophie Hunter after announcing they were expecting their second child On screen in Sherlock, where co-star Martin Freeman is left holding the baby A spokesman for the couple has not yet responded to a request for confirmation of their happy news.The new baby will be a younger brother to Christopher Carlton, born in 2015 and known as Kit.The couple made public the news they were expecting a second child in October, after appearing on the red carpet in Los Angeles to promote the actor’s film, Dr Strange, where fans noticed what appeared to be a baby bump under Ms Hunter’s black ball gown. A spokesman said then: “Everyone is absolutely thrilled.”The couple, who married on Valentine’s Day in 2015 and last year applied to extend their north London home.Cumberbatch has spoken regularly about his pride about becoming a father, saying: “Having a baby – it’s massive. Sophie Hunter and Benedict Cumberbatch ‘Doctor Strange’ film premiere in October 2016 “And on a very unexpected level. Suddenly I understood my parents much more proudly than I ever had before.”He told the Graham Norton show last year: “I’ve become a father and a husband, and in the right order — just.“I might go for a (Cumber) batch of boys.” Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.