Sweden's Princess Madeleine has given birth to a daughter in New York, the Royal Court in Stockholm, Sweden, announced Friday. The newest member of Sweden's royal family -- whose name has not yet been disclosed -- was born Thursday night at New York Presbyterian Weill Cornell Medical Center, Chancellor of the Realm Svante Lindquvist said in a statement, adding the princess' husband Chris O'Neill was at the hospital for the delivery. "Everything went well. The mother and child are doing well," Royal Court spokeswoman Annika Sonnerberg told Sweden's TT news agency. Princess Madeleine, 31, is the youngest child of King Carl XVI Gustaf and Queen Silvia. She married O'Neill in Stockholm last June.