These unidentified individuals are the nephews/nieces of Bernadette Rostenkowski and the grandchildren of Mike Rostenkowski and Mrs. Rostenkowski. They are the great-grandchildren of Bernadette And Joey's Grandmother. Howard Wolowitz is their uncle by his marriage to Bernadette. As Bernadette and Howard's daughter, Halley Wolowitz is their cousin. As Howard's parents, Sam Wolowitz and Debbie Wolowitz are their great-uncle and great-aunt respectively by marriage.